Steradian
[stә'reidjәn]
解釋/意思:
(noun.) the unit of solid angle adopted under the Systeme International d'Unites.
編輯:蒂姆--From WordNet
[stә'reidjәn]
(noun.) the unit of solid angle adopted under the Systeme International d'Unites.
編輯:蒂姆--From WordNet