英语词汇“photoemissive tube photometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	photoemissive tube photometer
释义	photoemissive tube photometer photoemissive tube photometer [¦fōd·ō·i′mis·iv ¦tüb fə′täm·əd·ər] (engineering) A photometer which uses a tube made of a photoemissive material; it is highly accurate, but requires electronic amplification, and is used mainly in laboratories.
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