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单词 θ80353
释义
the world > matter > light > illumination > [noun] > unit of illumination > candela (13)
new candle1938

A standard spermaceti candle formerly used as a unit of illuminating power: hence candle power; frequently called international candle. Also, with…

candela1950

A unit of luminous intensity (see quot. 1968).

cd1950

candela.

Subcategories:

— units depending on (2)
— troland (2)
— lux (2)
— foot-candle (2)
— nit or stilb (2)
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