“effective earth radius”的概念、定义、翻译、参考文献-科学参考

单词	effective earth radius
释义	effective earth radius [ǝ¦fek·tiv `ǝrth ´rād·ē·ǝs] ^{COMMUNICATIONS} A radius value used in place of the geometric radius to correct for atmospheric refraction in estimating ranges of antennas when the index of refraction in the atmosphere changes linearly with height; under conditions of standard refraction it is ⁴/₃ the geometric radius. Also known as effective radius of the earth.
随便看	hook-wall packer hookworm hookworm disease hook wrench hoop hooped column Hooper jig hoot stop hop hopeite Hope's apparatus Hopfner process hophornbeam Hopkins-Cole reaction Hopkinson effect Hopkinson's coefficient Hoplocarida Hoplonemertini Hoplophoridae hopper hopperburn hopper car hopper dryer hoppit hopsacking

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