The front panel gain and rear panel gain are separate but identical signal paths.
较前面的嵌板增益和后面嵌板增益是分开的但是同一的信号路径。
One PCM panel with microprocessor is re-quired to receive and process the signal.
由于是一种信号，地面也仅用一个微机面板接收处理。
One PCM panel with microprocessor is re-quired to receive and process the signal.
由于是一种信号，地面也仅用一个微机面板接收处理。
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