模数2基准标准齿轮的研制。
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。
The whole system was calibrated by standard lamp with the standard transferred from the national primary photometric and colorimetric standard.
不仅包含更高的特性特色，而且该功放也提高了音质的基准标准。
Not only is the feature count higher, but this receiver raises the benchmark of sound quality, too.
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