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O(AV) ³ U2 ZtZt L 2 L O(AV) L(AV) 0.9 R U R U I | 2 2 O(AV) 0.9 22 U U U | 华成英hchya@tsinghua.edu.cn 3. 二极管的选择 URmax 2U2 L L(AV) 2 D(AV) 0.45 2 R ...
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