試題詳解

90．測距儀 DME 和航管系統 ATC；其間相互關係：
(A)地線防止干擾‧By ground wires to prevent interference.
(B)抑制線路 (suppersion line)防止干擾‧By suppression cables to prevent interference.
(C)開路防止干擾‧By open circuit to prevent interference.
(D)電容線路 防止干擾‧By capacity circuits to prevent interference.