英语词汇“photometer head”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	photometer head
释义	> as lemmas photometer head photometer head n. the part of a photometer by means of which the comparison or measurement is effected. ΚΠ 1899 Proc. Royal Soc. 65 487 A device worked by an electric current from a key placed under the photometer head. 1973 W. Thomas SPSE Handbk. Photogr. Sci. & Engin. ii. 153 Photometer heads are used in conjunction with some means for varying the luminance of one or both surfaces in a known manner so that a photometric balance may be obtained. extracted from photometern. < as lemmas
随便看	better meaned better off better red than dead better safe than sorry better self better star better still better sure than sorry better than better than a poke in the eye with a sharp stick better than nothing better than ordinary better the devil you know better the devil you know than the devil you don't better the head of a dog than the tail of a lion better to be safe than sorry better to be sure than sorry better to be the head of a dog than the tail of a lion better to say better wed over the mixen than over the moor better will better yet better-balanced better-behaved better-born

英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

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