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
随便看	friendly fire friendly match Friendly Society friendship frier Friesian frieze frieze frig frig frigate frigate bird fright frighten frightener frightening frighteningly frightful frightfully frightfulness frigid frigidity frigidly frigidness frigid zone

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。