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- L1 is commonly referred to as the civil signal, even though the armed forces also share this resource. L1一般称为民用讯号，不过军方也会使用这个资源。
- The second civil signal will improve the accuracy of the civilian service and supports some safety-of-life applications. 第二民用信号将增加民用服务的准确性并改进某些有关生命安全的应用。
- The United States is committed to an extensive modernization program, including the implementation of a second and a third civil signal on GPS satellites. 美国致力于一个广泛的现代化项目,包括对GPS卫星采用第二和第三民用信号。
- Secondly, it introduces the frequency selection, EMC(Electromagnetic Compatibility), the basic generation theory and modulation of the third civil signal(L5 signal), including LS ranging code, Forward Error Correction, QPSK modulation and Neuman. 其次，介绍了其信号的频段选择、电磁兼容性及其调制和产生的基本原理，包括L5测距码、卷积码、QPSK调制以及Neuman.
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Be he a civil engineer or an electrical engineer? 他是土木工程师还是电气工程师？
- He filed for a civil service job. 他申请公务员的工作。
- Civil law is different to criminal law. 民法与刑法是不同的。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- Many soldiers went under in the Civil War. 许多士兵在内战中阵亡。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- She hopes to get a place in the Civil Service. 她希望获得一份公职。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- Give up a claim in a civil action. 在民事诉讼中放弃一种要求权。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- They are the victims of the civil war. 他们是内战的受害者。
- She championed the cause of civil rights. 她积极支持民权运动。
- Civil war convulsed the country. 内战震撼了这个国家。
