公制的扩大和修改版本，即国际制度针对了现代科学附加的及更加正确的度量单位的需要。

An expanded and modified version of the metric system, the International system addresses the needs of modern science for additional and more accurate units of measurement.

youdao

公制的扩大和修改版本，即国际制度针对了现代科学附加的及更加正确的度量单位的需要。

An expanded and modified version of the metric system, the International system addresses the needs of modern science for additional and more accurate units of measurement.

youdao