尽管公制的使用似乎是标准的，仍然有时可以产生错误。

Even though its use seems to be standard, errors can still happen.

youdao

正如汉密顿夫人提到的，美国奥委会会寄来量杯因为美国是不使用公制的。

The U.S.O.C. will send measuring cups because, as Ms. Hamilton noted, the United States does not use the metric system.

youdao

难道美国公众对有关公制的“筒单易行”已形成的看法还有什么争议吗？

Is there any question as to what nations the American public has developed about the "simplicity" of the metric system?

youdao

First there was the observation by Michelson who back in the late 1880s had done very precise interferal metric measurements of the hydrogen lines and had observed that the 656 nanometer line 3 associated with the transition of n equals 3 to n equals 2 was, in fact, a doublet.

首先是麦克逊,在1880年底的观察,他以公制单位对氢原子的光谱线,作了准确的，无其他因素干扰的，测量,发现当n值由3变为2时,会同时得到波长为656纳米的谱线3,实际上是有两条线。

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