| 单词 | substandard propagation |
| 释义 | substandard propagation [¦sǝb`stan·dǝrd ´präp·ǝ`gā·shǝn] ELECTROMAGNETISM The propagation of radio energy under conditions of substandard refraction in the atmosphere; that is, refraction by an atmosphere or section of the atmosphere in which the index of refraction decreases with height at a rate of less than 12 N units (unit of index of refraction) per 1000 feet (304.8 meters). |
| 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。