V2EX lux

Lux

Definition / 释义

lux(名词):“勒克斯”,照度单位,表示某一表面上接收到的光通量密度。1 lux = 1 流明/平方米(lm/m)。常用于描述环境亮度,如办公室照明、街灯、摄影测光等。
(另外,lux 在拉丁语中也有“光”的意思,常见于短语 fiat lux。)

Pronunciation / 发音

/lks/

Examples / 例句

The hallway is about 50 lux at night.
夜里走廊的照度大约是 50 勒克斯。

For detailed safety standards, the lab requires at least 500 lux of lighting on work surfaces to reduce eye strain.
根据更细的安全标准,实验室要求工作台面照度至少达到 500 勒克斯,以减少视疲劳。

Etymology / 词源

lux 作为计量单位名称,源自拉丁语 lux(意为“光”)。在国际单位制相关的光度学中,用拉丁词根来命名单位较常见,便于在不同语言中统一使用。

Related Words / 相关词

Literary Works / 文学与文本

  • 《圣经创世记》拉丁文《武加大译本》(Vulgate):著名句子 “fiat lux”(“要有光”)。
  • 弥撒/礼仪文本《Lux Aeterna》(“永恒之光”):在基督教礼仪与相关文本中反复出现。
  • John Milton《失乐园》(Paradise Lost):作品中多处借用“光”的神学意象,并与“fiat lux(要有光)”这一传统表达形成呼应。
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