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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
毫米(國際計量局使用的國際拼寫; SI單位符號mm)或毫米(美國拼寫)是公制系統中的長度單位,等於千分之一米,即SI基數 長度單位。 因此一米有千毫米。 一厘米有十毫米。
The metre (international spelling) or meter (American spelling) (from the Greek noun μέτρον, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299 792 458 seconds.
您可以在下面找到其他語言的轉換