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要用示波器正确测量信号的幅度,垂直扫描旋钮应( ) 。
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发布时间: 2023-11-19 23:24
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要用示波器正确测量信号的幅度,垂直扫描旋钮应( ) 。
A.A、调到最大
B.B、调到最小
C.C、放在校准或锁定位置
D.D、放在微调位置
正确答案是C
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