| 释义 |
平面波píngmiànbō波从一点发散出去形成球面,如果这种波从无限远处传来,所形成的球面就可以看作是一个平面,所以叫做平面波。光波中,光线和波面垂直,所以平面波的光线可以看作是平行的。{plane wave; wave diverging from one point usually forms a spherical surface, and if the wave comes from an infinite distance, the spherical surface can be viewed as a plane surface. Hence the term plane wave. In light waves, the rays are vertical to the wave surface, so the rays of plane waves can be considered parallel.} |