For this reason, the two International Metrology Organizations have decided to join the IYC 2011 and have Chemistry as the theme for this year's World Metrology Day.
出于这个原因，这两个国际计量组织已经决定加入2011国际化学年，并将化学作为今年世界计量日的主题。
For this reason, the two International Metrology Organizations have decided to join the IYC 2011 and have Chemistry as the theme for this year's World Metrology Day.
出于这个原因，这两个国际计量组织已经决定加入2011国际化学年，并将化学作为今年世界计量日的主题。
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