英语词汇primary photometric standard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	primary photometric standard
释义	primary photometric standard 简明释义光度基准网络释义 1 ?光度基准 ... 坎德拉每平方米Candela per square meter 光度基准Primary photometric standard 光度副基准Secondary photometric standard ... 短语 1 photometric primary standard 光光度基准器双语例句 1 The whole system was calibrated by standard lamp with the standard transferred from the national primary photometric and colorimetric standard. 系统量值传递是通过国家色度和亮度基准标准灯来完成的。
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