名词
中文翻译：Unknown
同义词：
['carrier signal', 'carrier communication']
例句：
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1. The satellite is used as a carrier signal to transmit data between the ground station and the user's device.
卫星被用作携带信号，在地面站和用户设备之间传输数据。
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2.The company uses carrier signalling to ensure that all transactions are secure and encrypted.
该公司使用携带信号技术来确保所有交易都是安全的并且加密的。
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3. In this case, the carrier signalling system was responsible for managing the traffic flow.
在这种情况下，携带信号系统负责管理交通流量。