例句與造句

1. Sphere - if this button is pressed the light shed by the source is confined in the sphere of radius distance rather than going to infinity with its decay ratio
   球體按下這個(gè)按鈕，光源發(fā)射的光線將被封閉再一個(gè)球體內(nèi)，而不是按照衰減率發(fā)射到無(wú)限遠(yuǎn)。
2. It's difficult to find decay ratio in a sentence. 用decay ratio造句挺難的