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<polyline fill="none" points="481 1734, 1021 1734" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="720 1543, 1260 1543" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="481 1954, 1021 1954" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="720 1763, 1260 1763" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="481 2204, 1021 2204" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="720 2013, 1260 2013" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 624, 921 624, 921 1954" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 433, 1160 433, 1160 1763" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 834, 921 834" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 643, 1160 643" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 1464, 921 1464" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 1273, 1160 1273" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 1654, 921 1654" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 1463, 1160 1463" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 1014, 871 1014" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 823, 1110 823" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 1434, 871 1434" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 1243, 1110 1243" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 1874, 871 1874, 871 1734, 871 594, 1471 594" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 1683, 1110 1683, 1110 1543, 1110 403, 1710 403" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 1124, 1421 1124, 821 1124" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 933, 1660 933, 1060 933" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1471 804, 1271 804, 1271 1734, 1271 2174, 1471 2174" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1710 613, 1510 613, 1510 1543, 1510 1983, 1710 1983" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="65" font-weight="400" text-anchor="start" x="981" y="104">3-8译码器74LS138</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="微软雅黑" font-size="105" font-weight="700" text-anchor="start" x="670" y="143">3-8译码器74LS138</text>
<polyline fill="none" points="1721 644, 1771 644, 1771 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 453, 2010 453, 2010 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 854, 1821 854, 1821 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 663, 2060 663, 2060 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 1064, 1871 1064, 1871 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 873, 2110 873, 2110 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 1274, 1921 1274, 1921 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 1083, 2160 1083, 2160 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 1484, 1971 1484, 1971 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 1293, 2210 1293, 2210 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 1704, 2021 1704, 2021 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 1513, 2260 1513, 2260 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 1924, 2071 1924, 2071 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 1733, 2310 1733, 2310 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1721 2144, 2121 2144, 2121 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<polyline fill="none" points="1960 1953, 2360 1953, 2360 233" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1721" y="494">Y0</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1960" y="303">Y0</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1781" y="494">Y1</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2020" y="303">Y1</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1831" y="494">Y2</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2070" y="303">Y2</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1881" y="494">Y3</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2120" y="303">Y3</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1931" y="494">Y4</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2170" y="303">Y4</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1981" y="494">Y5</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2220" y="303">Y5</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2031" y="494">Y6</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2270" y="303">Y6</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2081" y="494">Y7</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2320" y="303">Y7</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1111" y="224">C</text>
<polyline fill="none" points="520 1543, 260 1543" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1111" y="274">B</text>
<polyline fill="none" points="520 1763, 260 1763" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1111" y="324">A</text>
<polyline fill="none" points="520 2013, 260 2013" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1101" y="374">~G2B</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="160" x2="260" y1="1543" y2="1543"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1101" y="424">~G2A</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="101" y="1563">1</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1101" y="474">G1</text>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="60" y="1513"/>
<polyline fill="none" points="571 1104, 481 1104, 481 1004, 271 1004, 271 474, 1171 474" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="104" y="1504">1</text>
<polyline fill="none" points="281 1134, 221 1134, 221 424, 1171 424" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="21" y="1655">INTER_DIGITAL</text>
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<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="61" y="1616">Key = A</text>
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<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="160" x2="260" y1="1763" y2="1763"/>
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<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="101" y="1783">1</text>
<polyline fill="none" points="1171 224, 21 224, 21 2204, 281 2204" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="60" y="1733"/>
<circle cx="1421" cy="1984" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="104" y="1724">2</text>
<circle cx="1421" cy="1764" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="21" y="1875">INTER_DIGITAL</text>
<circle cx="1421" cy="1544" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="61" y="1836">Key = B</text>
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<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="160" x2="260" y1="2013" y2="2013"/>
<circle cx="1421" cy="914" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="101" y="2033">1</text>
<circle cx="1371" cy="1904" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="60" y="1983"/>
<circle cx="1371" cy="1684" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="104" y="1974">3</text>
<circle cx="1321" cy="1254" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="21" y="2125">INTER_DIGITAL</text>
<circle cx="1321" cy="1954" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="61" y="2086">Key = C</text>
<circle cx="1371" cy="2204" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="260" y="1543">A</text>
<circle cx="971" cy="1304" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="260" y="1763">B</text>
<circle cx="971" cy="1094" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="260" y="2013">C</text>
<circle cx="971" cy="884" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<polyline fill="none" points="520 1123, 260 1123" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<circle cx="971" cy="2204" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<polyline fill="none" points="520 943, 260 943" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<circle cx="921" cy="1654" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<polyline fill="none" points="810 913, 720 913, 720 713, 260 713" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<circle cx="921" cy="1464" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="160" x2="260" y1="713" y2="713"/>
<circle cx="921" cy="834" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="101" y="733">1</text>
<circle cx="921" cy="1954" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="60" y="683"/>
<circle cx="871" cy="1734" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="104" y="674">4</text>
<circle cx="871" cy="1434" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="21" y="825">INTER_DIGITAL</text>
<circle cx="871" cy="1014" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="61" y="786">Key = G</text>
<circle cx="1421" cy="1124" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="160" x2="260" y1="943" y2="943"/>
<circle cx="1271" cy="1734" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="100" y="964">0</text>
<circle cx="1271" cy="1224" fill="#0000ff" r="8" stroke="#0000ff" stroke-width="5"/>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="60" y="913"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="104" y="904">5</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="21" y="1055">INTER_DIGITAL</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="61" y="1016">Key = 1</text>
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<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="100" y="1144">0</text>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="60" y="1093"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="104" y="1084">6</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="21" y="1235">INTER_DIGITAL</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="61" y="1196">Key = 2</text>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="260" y="1123">G2B</text>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="260" y="943">G2A</text>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="260" y="713">G</text>
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<circle cx="2010" cy="113" fill="#ffa500" r="20" stroke="#ffa500" stroke-width="1"/>
<polyline fill="none" points="2030 113, 2050 113" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="1990 113, 1970 113" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2010 93, 2010 73" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2026 100, 2046 80" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2026 127, 2046 147" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="1994 100, 1974 80" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="1994 127, 1974 147" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2002" y="82">7</text>
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<circle cx="2060" cy="113" fill="#ffa500" r="20" stroke="#ffa500" stroke-width="1"/>
<polyline fill="none" points="2080 113, 2100 113" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2040 113, 2020 113" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2060 93, 2060 73" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2076 100, 2096 80" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2076 127, 2096 147" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2044 100, 2024 80" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="2044 127, 2024 147" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2052" y="82">8</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2081" y="188">P</text>
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<circle cx="2110" cy="113" fill="#ffa500" r="20" stroke="#ffa500" stroke-width="1"/>
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74LS148.dlsche
浏览文件 @ c3c83e72
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74LS148.dlsche.svg
浏览文件 @ c3c83e72
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