問題詳情
4 Electronic circuits are mainly used to control, process and distribute information, and for the ....... anddistribution of electric power.
(A) commutation
(B) contamination
(C) conversation
(D) conversion
(A) commutation
(B) contamination
(C) conversation
(D) conversion
參考答案
答案：D
難度：困難0.230769
統計：A(6),B(2),C(1),D(3),E(0)
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