The communication abbacy that assured an earth station thereby but by other 3 grounds stage repeat coverage, assure the dependability of communication.
从而保证了一个地面
信管区
由其他三个地面台重复覆盖，保证信靠性。
The communication abbacy that assured an earth station thereby but by other 3 grounds stage repeat coverage, assure the dependability of communication.
从而保证了一个地面信管区由其他三个地面台重复覆盖，保证信靠性。
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，
分未经过人工审核，其表达内容亦不代表本软件
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