单词：secure communications
secure communications的用法和样例：
例句
- The cryptology becomes a hotspot of information high-tech as the key technology of secure communication.密码技术作为保密通信的关键技术已成为当代信息高科技的热点。
- Simulation shows that speech communication is secure as long as the power of the pretreated signal is high enough.仿真实验表明，只要预处理信号的功率足够大，就可以达到保密通信的目的。
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