Concept information
There is no term for this concept in this language
优选词，正式主题词
mmMillimetre (en)
定义
- The millimetre (International spelling as used by the International Bureau of Weights and Measures) or millimeter (American spelling) (SI unit symbol mm) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. It is equal to 1000 micrometres or 1000000 nanometres. A millimetre is equal to exactly 5/127 (approximately 0.039370) of an inch.
其它语言
-
英语
-
Millimeter
英语 (美国)
URI
https://vocab.sentier.dev/units/unit/MilliM
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