名词中文翻译
中文翻译：无源器件
同义词：
['null device', 'null component', 'null element']
例句：
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1. TheNUL device is used to measure the distance between two points on a map.
无源器件用于测量地图上两点之间的距离。
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2.The engineer used the NUL device to test the new circuit design.
工程师使用无源器件测试新的电路设计。
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3.The NUL device was an essential tool for the research team during their field study.
无源器件是研究团队在野外研究中不可或缺的工具。