問題詳情
28. 有一正弦波(Sine wave)的週期為 0.1ms，則其頻率為多少？
(A) 10KHz
(B) 1KHz
(C)100Hz
(D) 10Hz
(A) 10KHz
(B) 1KHz
(C)100Hz
(D) 10Hz
參考答案
無參考答案
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