Warning: file_put_contents(): Only 0 of 5112 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 normal incident ray例句_normal incident ray英汉例句_normal incident ray双解例句_伍贰汉英词典
Angle of Incidence The angle between an incident ray and the normal to a reflecting or refracting surface. 入射角度入射光与照射在反射或折射平面上的正常光线之间的角度。 http://chazidian.com