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通常,示波器屏幕上显示波形周期数()。
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通常,示波器屏幕上显示波形周期数()。
A.2-3个
B.5个
C.1个
D.越多越好
正确答案:2-3个
Tag:
波形
示波器
周期
时间:2024-01-15 10:34:37
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