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national bureau of standard中文是什么意思

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用"national bureau of standard"造句"national bureau of standard"怎么读"national bureau of standard" in a sentence

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  • 国家标准局

例句与用法

  • In the united states this service is an important mission of the national bureau of standards .
    在美国,这种服务是国家标准局的一个重要职责。
  • A court - appointed “ special master ” concluded that tests at universities had verified the excess power output , and it took new court - ordered tests by the national bureau of standards ( what is now nist ) to establish that the machine ' s efficiency never exceeded 80 percent
    法庭指派的专家得到的结论是,几个大学实验的结果证实,输出的能量确实较高,以致于法庭下令请求美国国家标准局进行测试,才确定这个机器的效率从来不曾超过80 % 。
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