Radar sightings, while in certain respects more reliable, fail to discriminate between artificial objects and meteor trails, ionized gas, rain, or thermal discontinuities in the atmosphere.
在某种程度上更为可靠的雷达观测无法区别大气中的人造飞船、流星轨迹、电离的空气、雨滴和热断层。
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Many meteors of various sizes enter the earth's atmosphere and burn up every day, leaving ionized and flashing trails in their path.
When analyzing the propagation of high power microwave (HPM) in atmosphere, the propagation velocity in non ionized and ionized mixture atmosphere is needed.