qiú
miàn

technical

Meaning of 球面度

球面度 means steradian (sr); unit of solid angle. Pronounced qiú miàn dù.

  • steradian (sr); unit of solid angle

Definitions & Examples

Zhè
guāng
yuán
de
guāng
qiáng
wéi
měi
qiú
miàn
bǎi
kǎn
 

The luminous intensity of this light source is one hundred candelas per steradian.

Qiú
miàn
shì
guó
dān
wèi
zhì
zhōng
yòng
liàng
jiǎo
de
biāo
zhǔn
dān
wèi
 

The steradian is the standard unit in the International System of Units for measuring solid angles.

wán
zhěng
de
qiú
miàn
duì
yìng
de
jiǎo
shì
qiúπ
miàn
 
 

The solid angle corresponding to a complete sphere is four pi steradians.