对卫星入轨偏差影响进行了分析，得出轨道长半轴入轨偏差是决定卫星实际轨道相对设计轨道演化的重要因素。
The reasons of its annual, half-annual, mensal changes are analyzed. The effects of the bias of injecting orbit are researched.
利用量子跃迁方法，当考虑绝热和非绝热演化时，发现对于非跃迁轨道，其相位修正值是不同的。
By quantum jump method, we find that the corrections to its phase for the no-jump trajectory are different when considering adiabatic and nonadiabatic evolutions.
由于钡星系统是由普通红巨星双星系统演化而来，因此钡星系统的轨道偏心率及周期的分布显示了经过质量吸积后双星系统的最终轨道特征。
As Ba star systems are evolved from G-K star systems, the distribution of orbital eccentricities and periods of Ba stars can show the final orbital character of binaries.
研究近地轨道卫星编队构形在引力摄动作用下的长期演化机理。
The mechanism of Low earth orbit(LEO) satellite formation secular evolvement under the influence of gravitational perturbations is studied.
城市轨道交通建设对沿线土地利用演化产生重要的驱动作用。
The construction of urban rail transit has important driving effects on the land use evolvement along the urban rail transit line (URTL).
城市轨道交通建设对沿线土地利用演化产生重要的驱动作用。
The construction of urban rail transit has important driving effects on the land use evolvement along the urban rail transit line (URTL).
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