ground signals meaning in English
地面信号
Examples
- Its signal is much weaker than the back ground signals so that it hardly affects the back ground system . therefore , soct is very useful not only in raising channel efficiency , but also in building a hidden communication system for military purpose
由于它的信号比原信号要微弱得多而不影响原信号的传输，因此这种技术不仅可以用于提高卫星信道的利用率，而且可以用于实现一种非常隐蔽的军事保密通信方式。