foot-candle
英['fʊtk'ændl]
美['fʊtk'ændl]
- n.英尺烛光
详细释义
名词 footcandle:
-
a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle
用法讲解
- foot candle 尺烛光
- foot candle meter 光强计
- candle foot 烛光英尺,英尺烛光...
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