释义 |
散射sǎnshè 1.光线通过有尘埃的空气等媒质时,部分光线向多方面改变方向。超短波发射到电离层时也发生散射。{scattering; dispersion; dispersal of part of a beam of radiation into a range of directions as a result of physical interactions with dusty air or other media. The same also happens to radiation of extra-short waves to the ionosphere.} 2.两个基本粒子碰撞时,运动方向改变。{(of two elementary particles) change in direction of movement upon collision} 3.在某些情况下,声波投射到不平的分界面或媒质中的微粒上而向不同方向传播。{diffusion; scattering of sound wave by reflection from a rough surface or specks in a medium;}也叫also乱反射{luànfǎnshè}。 |