Rect - The Area Light emitter has a rectangular shape. The dimension of the emitter is set through two numeric buttons: SizeX and SizeY.是什么意思_Rect - The Area Light emitter has a rectangular shape. The dimension of the emitter is set through two numeric buttons: SizeX and SizeY.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句