luminous flux; measure of perceived light power
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
luminous flux; total perceived light power emitted, reflected, or transmitted
technicalA technical term in physics and lighting engineering, used to measure the perceived brightness of light as seen by the human eye. The SI unit is the lumen (lm).
Zhè这
zhī只
LL
EE
DD
dēng灯
de的
guāng光
tōng通
liàng量
shì是
bā8
bǎi0
liú0
míng流
明
。
This LED lamp has a luminous flux of 800 lumens.
Shè设
jì计
shī师
xū需
yào要
jì计
suàn算
fáng房
jiān间
suǒ所
xū需
de的
zǒng总
guāng光
tōng通
liàng量
。
The designer needs to calculate the total luminous flux required for the room.
Show 1 more exampleShow fewer examples
Guāng光
tōng通
liàng量
yǔ与
guāng光
yuán源
de的
gōng功
lǜ率
hé和
fā发
guāng光
xiào效
lǜ率
yǒu有
guān关
。
Luminous flux is related to the power and luminous efficacy of the light source.