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【单选题】
下列系统中( )是实时系统。A.
计算机激光照排系统
B.
办公自动化系统
C.
化学反应堆控制系统
D.
计算机辅助设计系统
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【简答题】What does UMS stand for? Have you served UMS?
【单选题】With UMS, when the engine room is unwatched will control the main engine
A.
the bridge officer on watch
B.
the chief engineer
C.
the duty engineer
D.
the duty motorman
【单选题】With UMS,when the engine room is unwatched, ( ) will control the main engin
A.
the bridge officer on watch
B.
the chief engineer
C.
the duty motorman
【单选题】UMS stands for _____.
A.
ultra much space
B.
universal medium system
C.
unit machined space
D.
unattended machinery space
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