| 单词 | radiation |
| 释义 | radiation [´rād·ē`ā·shǝn] ENGINEERING A method of surveying in which points are located by knowledge of their distances and directions from a central point. PHYSICS 1. The emission and propagation of waves transmitting energy through space or through some medium; for example, the emission and propagation of electromagnetic, sound, or elastic waves. 2. The energy transmitted by waves through space or some medium; when unqualified, usually refers to electromagnetic radiation. Also known as radiant energy. 3. A stream of particles, such as electrons, neutrons, protons, α-particles, or high-energy photons, or a mixture of these. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。