名词
中文翻译：探测信号
同义词：
['probing signal', 'detection signal']
例句：
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1. The probe signal was weak,indicating that the target was far away.
探测信号很弱，表明目标很远。
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2. Theteam used a probe signal to locate thelost satellite.
团队使用探测信号来定位丢失的卫星。
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3. The researcher sent outa probe signal to test the strength ofthe magnetic field.
研究人员发送探测信号来测试磁场的强度。