Homezone is based on a set-top box that contains a satellite receiver and DVR and also plugs into a fixed-line broadband link.
家庭地带的代服务的关键就在于制顶盒，这种制顶盒内包括一个卫星接收器，一个数字录像机和一个宽带网络连接插口。
A rotating joint is a microwave element to link the rotating antenna with the fixed transmitter and receiver.
旋转关节是把旋转的天线与固定的雷达发射机、接收机互相连接起来的微波元件。
A fixed device that sends or receives, amplifies, alters, and returns a radar signal, permitting a distant receiver to determine its bearing and sometimes its range.
一种发射、接收、放大、改变并返回雷达讯号的固定装置，允许远处的接收者测定它的情况，有时还有范围。
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