“低频天波传播”的概念、定义、翻译、参考文献-科学参考

单词	低频天波传播
释义	低频天波传播 Encyclopedia 工学电离层电波传播释 sky wave propagation for low frequency低频天波传播地面发射的频率为30～300千赫的无线电波，经电离层反射再回到地面的传播方式。
随便看	change Chang'e 1 Chang'e 1 lunar probe Chang'e 2 Chang'e 3 Chang'e 4 Chang'e 5 changeability changeable order reaction Change and Constant of Morality change azimuth change behavior strategy Change by Design change control Change Control Board change control process change cropping change data capture change detection changed tone change dump change fluid flowing direction change from rural to non-rural residence registration change in accounting estimates change in accounting policy

科学参考收录了854744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。