请问SI units是什么？

是国际单位制的缩写吧

哦，谢谢啦。我该先查金山词霸的，呵呵。

SI =〉International System of Units
The International System of Units (abbreviated SI from the French Le Système International d'Unités) is the modern form of the metric system and is generally a system devised around the convenience of the number ten. It is the world's most widely used system of units, both in everyday commerce and in science.

Signnal Integrity

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