Second, the initial point and transfer time are same for different object relative orbit, and the minimum consumption of fuel is proportional to the expansion deflection.

不同膨胀系数时施加脉冲的时刻不变，最优的燃料消耗与膨胀变化量成正比；

youdao

"This will be one step in the long road to human expansion off of the planet into low-Earth orbit and beyond, " NASA astronaut Donald Pettit, one of Burbank's crewmates aboard the station, said Friday.

MSN: Space station's private hookup delayed till March