The mechanical analysis and the trimming were performed for a novel near space aircraft which uses the variation in wind speed at high altitude to control its flight path.
对一种利用高空风的风速差控制飞行轨迹的新型低能耗临近空间飞行器，进行了力学分析与配平计算。
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。
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。
Studied the soil fertility on south slope in Qinling Mountains, the spatial distribution and variation pattern and its relation with altitude.
对秦岭南坡土壤肥力状况、空间分异规律及其与海拔的关系进行研究。
Annual precipitation variation coefficient was smaller in higher altitude mountain than in lower altitude areas and plain in Urumqi river basin.
年降水量变异系数随海拔的升高而减小，即海拔越高的区域降水量的年际间波动相对越小。
Annual precipitation variation coefficient was smaller in higher altitude mountain than in lower altitude areas and plain in Urumqi river basin.
年降水量变异系数随海拔的升高而减小，即海拔越高的区域降水量的年际间波动相对越小。
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