
tions of its 490N engine to transfer from the launch orbit to its mission orbit. These maneuvers require strict monitoring of engine ignition and shutdown states, necessitating not only China's ground
bsp; 近日,玛氏公司发表声明称,计划于2023年至2028年间投资1.9亿英镑,将其位于斯劳的工厂打造为“下一代制造中心”。(界面)原文链接
was the extensive post-launch orbital maneuvers and adjustments, where the propulsion system played a crucial role. After launch, China also carried out monitoring and orbit adjustments," Zhang said.
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