31 正弦波之波形因數(form factor)為何?
(A) 1.414
(B) 1.11
(C) 1
(D) 0.9
答案:登入後查看
統計: A(81), B(295), C(15), D(11), E(0) #1069753
統計: A(81), B(295), C(15), D(11), E(0) #1069753
詳解 (共 3 筆)
#1310235
17
1