“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	association algebra association analysis association and Kriging grid method association anlysis association area of cerebral cortex association-based long-lived routing association-based long-lived routing, ABR association by contiguity association by contrast association by similarity association class association colloid association constant association fluid Association for Childhood Education International Association for Computing Machinery Association for Computing Machinery International Conference on Information and Knowledge Management Association for Computing Machinery Special Interest Group on Information Retrieval Association for Early Childhood Education and Development Association for Educational Communication and Technology Association for Education of Journalism and Mass Communication Association for Evolutionary Economics Association for History of Chinese Journalism Association for Information Management Association for Information Science and Technology

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。