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【多选题】
For an aircraft to fly continuously and steadily in the sky, the most basic conditions should be met are: ____.
A.
Sufficient lift
B.
Sufficient power
C.
Good piloting technique
D.
Good stability and maneuverability
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参考答案:
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【简答题】Unrestricted __is affecting the salmon supply.
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【简答题】The bears' existence is also threatened by their low rate of __
查看完整题目与答案
【单选题】The expansion stroke of a piston engines is ____.
A.
Intake
B.
Compression
C.
Combustion
D.
Exhaust
查看完整题目与答案
【多选题】The main characteristics of a piston engines include: ____.
A.
More efficient when flying at low speed
B.
Are direct reaction engines
C.
When the aircraft's flight speed exceeds 700-800 kilometers per hour, the propulsion efficiency will also drop sharply
D.
Widely used in some small and low-speed aircraft
查看完整题目与答案
【单选题】The most basic type of air jet engine is ____.
A.
Turbojet
B.
Fanjet
C.
Propjet
D.
Ramjet
查看完整题目与答案
【简答题】Logging companies must improve their __of logging.
查看完整题目与答案
【判断题】直径和长度相同、材料不同的两根圆杆,两端受相同扭转力偶矩作用,它们的最大扭转角不同。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Maintenance and __of the spirit bears' territory is needed
查看完整题目与答案
【多选题】The core components of the turbojet include: ____.
A.
Intake duct
B.
Compressor
C.
Combustion chamber
D.
Turbine
查看完整题目与答案
【判断题】项目目录功能中,标为已结算的项目不能再继续使用。( )
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【简答题】Unrestricted __is affecting the salmon supply.
查看完整题目与答案
【简答题】The bears' existence is also threatened by their low rate of __
查看完整题目与答案
【单选题】The expansion stroke of a piston engines is ____.
A.
Intake
B.
Compression
C.
Combustion
D.
Exhaust
查看完整题目与答案
【多选题】The main characteristics of a piston engines include: ____.
A.
More efficient when flying at low speed
B.
Are direct reaction engines
C.
When the aircraft's flight speed exceeds 700-800 kilometers per hour, the propulsion efficiency will also drop sharply
D.
Widely used in some small and low-speed aircraft
查看完整题目与答案
【单选题】The most basic type of air jet engine is ____.
A.
Turbojet
B.
Fanjet
C.
Propjet
D.
Ramjet
查看完整题目与答案
【简答题】Logging companies must improve their __of logging.
查看完整题目与答案
【判断题】直径和长度相同、材料不同的两根圆杆,两端受相同扭转力偶矩作用,它们的最大扭转角不同。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Maintenance and __of the spirit bears' territory is needed
查看完整题目与答案
【多选题】The core components of the turbojet include: ____.
A.
Intake duct
B.
Compressor
C.
Combustion chamber
D.
Turbine
查看完整题目与答案
【判断题】项目目录功能中,标为已结算的项目不能再继续使用。( )
A.
正确
B.
错误
查看完整题目与答案
参考解析:
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