China’s space program took an important step on Friday toward its elusive goal of competing with Elon Musk’s company SpaceX, in the race to dominate the satellite industry. 中国的航天计划在周五迈出了重要的一步，距离一个难以企及的目标——与埃隆·马斯克的SpaceX争夺卫星产业主导权——又近了一步。 The China Aerospace…