请输入您要查询的字词:
单词
earth-ionosphere waveguide radio wave propagation
释义
earth-ionosphere waveguide radio wave propagation
Encyclopedia
工学
电离层电波传播
释
earth-ionosphere waveguide radio wave propagation
地-电离层波导电波传播
地表层与低电离层(白天为D层,夜间为E层下部)所构成的同心球壳空间,以类似于微波平行金属板波导的机理,引导甚低频(3~30千赫)和极低频(0.3~3千赫)电波进行远距离直至全球范围的传播。
随便看
regional resources management information system
regional resources market
regional resources potential
regional resources recycling
regional resources strategy
regional resources type
regional resources value
regional restoration technique
Regional Sales Team Structure
regional science
regional seismic travel time table
Regional social development
regional soils
regional specialization
regional specialization indicators
regional spillover
regional stability of mine
regional structural differences indicators
regional structure of higher education
regional study
regional style
regional substation
regional succession
regional synergetic theory,Theory of regional cooperation
Regional system of petroleum industry in Suez Cairo and Alexandria
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/20 9:05:12