“sky wave propagation for low frequency”的概念、定义、翻译、参考文献-科学参考

单词	sky wave propagation for low frequency
释义	sky wave propagation for low frequency 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	agrestal agricaltural business accounting agric horizon agricultural Agricultural Adjustment Act Agricultural Adjustment Administration Agricultural and Forest Meteorology agricultural and forest residues agricultural and forestry waste energy and chemical industry system agricultural and forestry waste poly-generation system agricultural and rural archives work agricultural animal growth model agricultural antibiotic agricultural aoil and water engineering Agricultural Archaeology agricultural archaeology agricultural archives management agricultural aviation agricultural bidding rent curve agricultural bioenergy agricultural bioenergy development complete sets of equipment agricultural biological agricultural biological weapons agricultural biomass energy end product agricultural biomass energy poly-generation products

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。