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国家度量衡标准实验室 NML
他对前代度量衡标准器的研究取得了引人注目的成绩。
He paid attention to the problem of precision of measurement and made great effort to collect and preserve the metrological standard apparatus.
就在那时，需要去产生两个标准的原型(米，公斤)，根据这两个标准的原型，度量衡才能复制到法国各地。
It was then necessary to produce the two prototype standards (metre and kilogram) on to which the measurements would be copied for distribution across France.
他们都铸币币有自己的标准和度量衡。
They all minted COINS and had their own standards for weights and measures.
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