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
universal crossed product
universal crown control mill
universal curve
universal d'Alembert's principle
universal deceleration parameter
Universal Decimal Classification
Universal Declaration of Human Rights
Universal Declaration on Archives, UDA
Universal Declaration on the Human Genome and Human Rights
universal deformation
universal description discovery and integration
universal description, discovery and integration
universal description,discovery,and integration
universal description discovery and integration, UDDI
Universal Design
universal design
universal design concept
universal diagram
universal dial
universal differential algebra
universal differential equation
universal distribution
universal domain
universal dynamic game
universal element
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:2026/6/19 1:19:06