etendue

美 　英

• 網(wǎng)絡(luò)光學(xué)擴(kuò)展量；光學(xué)徑角性；光束擴(kuò)展值

例句

As is known in the art, etendue is a function of the area of the emitting source and the solid angle that the light beam includes.

如在本領(lǐng)域中已知的那樣，光學(xué)擴(kuò)展性隨著發(fā)射源的面積和光束所成的立體角而變。

Application of Etendue Theory in LED Projection Display

光束擴(kuò)展理論應(yīng)用于LED投影顯示系統(tǒng)