“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	river regime chart river regulation or channel improvement river regulation planning river regulation structure river restoration project river revetment right rivers and lakes census in China rivers and lakes health assessment rivers and lakes survey river sand-mining planning Rivers and Mountains by Wang Hui riverscape river sediment river sediment measurement and grain-size analysis instrument river sediment microbes river sediment simulation Riverside Riverside Church in New York City Riverside Church in New York City　 riverside historic town riverside intake structure Riverside Park rivers in China river sluice river snails

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。