英语词汇null instrument怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	null instrument
释义	null instrumentn. (also 亦作 null indicator) an instrument used to measure an electrical quantity by adjusting known quantities in the circuit until a reading of zero is obtained 零点调整仪；平衡点测定仪
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英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。