A.反向鏈路較好,但前向鏈路較差 B.前向鏈路較好,但反向鏈路較差 C.前反向鏈路平衡,但反向鏈路較差 D.前反向鏈路不平衡,前向鏈路較差
A.-10dB;-8dB B.-12dB;-10dB C.-14dB;-12dB D.-15dB;-13dB
A.88 B.108 C.128 D.148