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【多选题】
About "Minuteman III", which of following are true? ____.
A.
It is intercontinental missile
B.
It is ballistic missile
C.
The third stage adopts solid rocket engine
D.
It has a firing range of more than 12,000 kilometers
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刷刷题刷刷变学霸
举一反三
【单选题】When bidirectional swinging nozzle’s two opposite nozzles swing in the same direction, it could controls the ____ motion of the rocket.
A.
Yaw
B.
Pitch
C.
Rolling
D.
Sideslip
【多选题】The thrust direction of rocket engine could be control by: ____.
A.
Valve
B.
Secondary injection technology
C.
Swinging nozzle
D.
Jetavator
【单选题】Advantages of solid rocket engines over liquid rocket engines are ____.
A.
Larger thrust
B.
Simpler structure, more convenient to operate
C.
Higher specific impulse
D.
Longer working time