名词
中文翻译：信号摆动
同义词：
['signal wobble', 'signal oscillation']
例句：
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1. The ship's compass was acting strangely;it seemed to be signaling a swing in the wind.
船的罗盘似乎在发出奇怪的信号，好像风向正在变化。
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2.The radio signal was so weak that it could barely be heard over the constant buzzing of insects.
无线电信号太弱了，几乎听不见，只能听到昆虫不停的嗡嗡声。
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3. The scientist noticed that the temperature sensor was signaling a slight swing in the room's temperature.
科学家注意到温度传感器显示房间的温度有轻微的波动。