The most efficient launch trajectory is due east from a launch site, which places the satellite into an orbital inclination equal to the latitude of the launch site.
最有效的发射轨道应该在发射地点的东边，使卫星轨道倾度与发射点纬度相等。
2
This has been an important motive behind China 's recent push to become a space power, with the launch of two manned orbital craft in 2003 and 2005.
中国在2003年和2005年成功发射两艘载人飞船后迅速成为宇航强国是其重振的源动力。
3
There are a few elements of the BX-1 launch and operations that do not correlate to what would be expected from a co-orbital ASAT test.