单词 | backscatter |
释义 | backscatter in British English (ˈbækˌskætə) noun physics 1. the scattering of particles or radiation, such as sound waves, X-rays, or alpha-particles, by the atoms of the medium through which they pass, in the backward direction 2. the radiation or particles so scattered 3. a technique whereby very long-range radars locate targets hidden by the curvature of the earth. Radar beams are reflected off the underside of the troposphere onto the target and the return beams, similarly reflected, are measured verb 4. to scatter in this way |
随便看 |
|
英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。