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8.航天飞机上升段的飞行控制航天飞机上升段的飞行控制包括从起飞到入轨阶段的制导、导航和控制,根据控制的需要,把入轨段也包括在上升段。航天飞机经过主发动机与固体助推器联合工作和单独主发动机工作的两级推进,使轨道器达到所要求轨道高度,然后启动轨道机动发动机把轨道器送入预定轨道。有
8. Flight control of the ascent section of the space shuttle The flight control of the ascent section of the space shuttle includes guidance, navigation and control from the take-off stage to the orbit. The orbital section is also included in the ascent section according to the control requirements. The space shuttle passes through two stages of propulsion of the main engine and the solid booster together with separate main engine work to bring the orbiter to a desired orbital altitude and then launching the orbiting motor to bring the orbiter into orbit. Have