“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	ophicalcite ophiobollin ophiolite suite ophiolite formation ophiolitic mélange Ophir Chasma Ophiuchid meteor shower Ophiuchids Ophiuchus Ophiuchus Ridge ophiuride o-phthalic anhydride o phthalic imide o-phthalic imide o-phthalimide ophthalmic ophthalmic inspections in children ophthalmic lens ophthalmic nerve ophthalmic optics ophthalmic placode ophthalmic polymer ophthalmic preparations ophthalmic rehabilitation treatment devices ophthalmic somite ophthalmic surgical operation clamp

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。