102. PSK 縮寫是什麼意思？
(A) 脈衝鍵控(Pulse Shift Keying)
(B) 相移鍵控(Phase Shift Keying)
(C) 封包短鍵控(Packet Short Keying)
(D) 階段滑動鍵控(Phased Slide Keying)

答案：登入後查看
統計： A(1), B(30), C(6), D(0), E(0) #2252274