... 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 ...
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photometric primary standard [光] 光度基准器
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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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