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流星的雷达观测
释义
流星的雷达观测
Encyclopedia
理学
流星的雷达观测
释
Meteor Radar Observation
流星的雷达观测
用雷达天文方法在甚高频(VHF)频段(频率30MHz~300MHz或波长1~10米)和更低频段观测流星,借助流星(电离)余迹对无线电波的反射或散射来实现对流星和流星余迹的探测,获得流星出现的数目、距离、高度、方位、速度以及流星体的质量等有关资料。
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health worker effect
healthy aging
healthy cities
healthy community
Healthy Documentary Film
healthy habits in living
healthy habits in sleep
healthy island
healthy life expectancy
Healthy Life Expectancy, HALE
healthy mineral material
healthy people plan
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heamorrhage intestinal necrosis of soft-shelled turtle
HEAO
HEAO-1
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