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。
That is the barest minimum, but $50,000 provides a much safer flying altitude.
这是最低的要求了，50000元会保证更安全的飞行高度。
Check your minimum and critical altitude.
检查你的最低标准和警告高度。
In mild conditions, shifting your body to the outside of the turn will aid the wing in turning horizontally, the turn circle grows and loss of altitude is kept to a bare minimum.
在中等的情况下，横移你的身体到转弯方向的外侧将会增加伞翼在转弯时的水平移动量，这使得在转弯中高度的升降维持在一个极小的范围。
In mild conditions, shifting your body to the outside of the turn will aid the wing in turning horizontally, the turn circle grows and loss of altitude is kept to a bare minimum.
在中等的情况下，横移你的身体到转弯方向的外侧将会增加伞翼在转弯时的水平移动量，这使得在转弯中高度的升降维持在一个极小的范围。
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