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1.The umbrella reflector antenna is an essential component of the communication system.
雨伞反射器天线是通信系统的一个必不可少的组成部分。
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2. The new design of the umbrella reflector antenna has greatly improved its performance.
新型的雨伞反射器天线大大提高了其性能。
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3. The umbrella reflector antenna is used to collect and transmit signals from various sources.
雨伞反射器天线用于从各种来源收集和传输信号。