A little luck wouldn’t go amiss right now!

现在要是交点也不错！

Determining the attainability domain of aeroassisted orbital plane change, i.e. the inclination and the longitude of the ascending node, is a very important problem.

航天器进行气力辅助异面变轨时，确定可达范围(变轨结束时的倾角升交点赤经)是一个十分重要的问题。