To use different units of measurement, click Options on the Tools menu, and then click the General TAB.

要使用不同的度量单位，可从“工具”菜单中选择“选项”命令，然后选择“常规”选项卡。

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It is desirable to use large units for measurement of large quantities and small units for small quantities.

最好是用大的单位来测量大的量值，用小的单位来测量小的量值。

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It is forbidden to use non-state-legal measurement units except in a laboratory to meet work needs.

禁止使用非国家法定计量单位，但实验室内因工作需要必须采用的除外。

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One, Mars Climate Orbiter, had a particularly humiliating crash, because the fault lay with a group of engineers who, in defiance of common sense, had continued to use imperial units of measurement in their calculations when all around had adopted the metric system.

ECONOMIST: Exploring Mars