With the rapid development of optical fiber technology, the security of optical fiber link faces utmost challenge.
随着光纤技术的飞速发展，光纤链路的安全性受到了极大的挑战。
The application of optical fiber communications in university security precaution system is described generally.
概述了光纤通信在高校安全防范系统中的应用。
This paper firstly introduced the composing of submarine optical fiber cable system, and then analyzed mostly ingredient that influences its security in transmission line and information.
本文研究一种电小天线的新型补偿电路 ，即用短路传输线与天线相并联的方式实现对电小天线的宽带匹配 。
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