英语词汇photometric standard是什么意思，photometric standard的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	photometric standard
释义	photometric standard　光度标准器, 测光用标准光源
随便看	multiple lane multiple layer only to do only to find that only too only too only too only trouble only trouble only when only when only yesterday only-children ONO ono ono onobaio onocentaurs onocol onomancy onomancy onomasiology onomasiology onomastic onomastic

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