“入射角”的英语可以翻译为：an angle of incidence，an angle of reflection，[计] angle of arrival，angle of incidence ...

入射角等于反射角.The angle of incidence equals the angle of reflection.冬季小入射角阳光的透射可以增加室内亮度.Low - angle winter sunlight penetration can give rise to glare.这种情况中的入射角是三十度.The incident angle in this case is 30 degree....