number + candela(s)
复数形式常用candelas,也可用candela。
The flashlight produces 150 candelas.
手电筒发出150坎德拉。
坎德拉
烛光;发光强度单位
the base unit of luminous intensity in the International System of Units
In the International System of Units, the base unit of luminous intensity; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. Symbol: cd
The light bulb emits 800 candela of luminous intensity.
这个灯泡发出800坎德拉的发光强度。
用法提示:名词,作为发光强度的单位。
In physics class, we learned that one candela is approximately equal to the light from one candle.
在物理课上,我们学到一坎德拉大约等于一根蜡烛发出的光。
用法提示:名词,表示基本单位,用于比较。
The laser pointer has a luminous intensity of 5 candela.
这个激光笔的发光强度为5坎德拉。
用法提示:名词,描述光源的发光强度。
复数形式常用candelas,也可用candela。
The flashlight produces 150 candelas.
手电筒发出150坎德拉。
The luminous intensity of the LED is 500 candelas.
该LED的发光强度为500坎德拉。
candela作为单位名称,单复数同形常见。
Luminous intensity is measured in candela.
发光强度以坎德拉为单位测量。
注意词形和发音不同:candela 是发光强度单位,candle 是蜡烛
candela 和 candelabra 拼写相近但含义不同:candela 是单位,candelabra 是装饰性烛台
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