“propagation of ultra short wave and microwave in the ionosphere”的概念、定义、翻译、参考文献-科学参考

单词	propagation of ultra short wave and microwave in the ionosphere
释义	propagation of ultra short wave and microwave in the ionosphere Encyclopedia 理学　　　电离层超短波和微波传播释 propagation of ultra short wave and microwave in the ionosphere电离层超短波和微波传播超短波的频率范围从30～300兆赫，300兆赫以上为微波波段。这两个波段的无线电波都将穿透电离层传播。
随便看	work-accelerated electron gun work activities work area workaround Work Arrangement work at height work-based learning workblank work breakdown structure work breakdown structure, WBS work-break exercises Work classification work clone work clothes work contracted to households Work Design and Work Measurement work domain analysis work done factor work-energy principle Worker and Woman Collective Farmer worker director and worker supervisor system worker-peasant-soldier college student Workers' and Peasants' Theater Troupe workers at height are required workers compensation

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。