In this paper conditions for such a kind of orbits, the minimum altitude variation orbits, are derived and related parameters are given.
本文推导了这种最小高度变化轨道的条件，并给出了相应的参数。
The temporal distribution characteristics of sunshine duration and its spatial variation with different altitude, slope and aspect were analyzed.
并分析了山区实照时数的时间分布特征和不同海拔高度、坡度和坡向上年实照时数的空间分布特征。
The analysis has shown that the geographical variation trend of phenotypic traits has given priority to longitude, and no obvious variation in latitude and altitude.
分析结果表明，麻竹表型性状的地理变异趋势是以经向变异为主，纬向与垂直变异不明显。
Results show that the thrust aroused from the altitude compensation capability is the cause of the non-monotone variation of nozzle efficiency with altitude at high ambient pressure;
结果表明，在高的环境压强下工作时，由塞式喷管的高度补偿能力所获得的推力是引起效率高度特性曲线非单调变化的原因；
Analysis of the observational data, the TOMS total ozone, and NCEP circulation, shows that the atmospheric ozone amount experienced a high-low-high variation with low-high-low tropopause altitude.
分析大气监测资料、TOMS臭氧总量资料和NCEP大气环流资料表明，大气臭氧总量随着对流层顶的低一高一低变化呈高一低一高的变化过程。
Analysis of the observational data, the TOMS total ozone, and NCEP circulation, shows that the atmospheric ozone amount experienced a high-low-high variation with low-high-low tropopause altitude.
分析大气监测资料、TOMS臭氧总量资料和NCEP大气环流资料表明，大气臭氧总量随着对流层顶的低一高一低变化呈高一低一高的变化过程。
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