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1 ?公用天线 ... common elementn.公共单元,普通元素 common antenna公用天线,共用天线 common practice习惯作法，一般惯例 ... 2 [电讯]?共用天线 ... cage antenna 笼形天线 ... common antenna 公用天线；共用天线 ... community antenna television 公用天线电视接收系统，共天线电视系统 ... 3 ?共天线 ... “沉默”天线 quiescent antenna 触角，天线 antenna 共天线 common antenna ...
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There are some other GPS antenna technologies (chip, helical), but they are not as common, a bit more expensive, and require significantly more amplification and filtering. 还有一些其他的GPS天线技术(芯片，螺旋)，但它们并不常见，有点贵，需要大大增加放大和过滤。 - 2
This paper gives a detailed discussion about how to deal with some common structural problems in far-field test of ground radar antenna. The author hopes that it will be helpful for the testing work. 本文就如何处理地面雷达天线远场测试中常见的若干结构问题阐述拙见，祈对测试工作和有关人员有所裨益。 - 3
This paper introduces the working principle of the two-tube antenna amplifier, expounds the maintaining methods for the antenna amplifier, and points out some common faults of the antenna amplifier. 在介绍两管天线放大器工作原理的基础上，对天线放大器的检修方法作了阐述，并对天线放大器常见的故障进行了概括。
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