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EntityQ154121· pop 55· linked from 129 articles

Also known as 10^-6, µ, micro-

国际单位制词头,指10的-6次幂

AI overview

"Micro" is a metric system prefix that means one millionth of something, represented by the Greek letter μ. It matters because it allows scientists and engineers to conveniently express and work with very small measurements, from micrometers in biology to microseconds in computing.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Symbol.mark
μ
Symbol.different from
(discouraged)

via Wikipedia infobox

Article · 中文

微(micro-)是國際單位制詞頭,指10-6,一百萬分之一。它的語源是希臘語 μικρός (mikrós),代表符號是希臘字母 µ (mu)但(mu)通常只用在數學上且並非10-6,例如 µg 並非這種念法並不符合標準。在只能用拉丁字母表達的情況下,國際單位制允許用字母u代替,比如um代替µm。在一些特定的場合,比如藥房,微克經常記作mcg,然而這種記法並不符合標準。 許多國際單位制詞頭是取自英文詞頭的音,但微是取自英文詞頭的義。

Abstract from DBpedia / Wikipedia · CC BY-SA