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【单选题】
我国自主创作的_________是以布偶为元素制作的偶动画。A.
《神笔》
B.
《阿凡提的故事》
C.
《称象》
D.
《三只狼》
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举一反三
【单选题】If the gyrocompass error is east,what describes the error and the correction to be made to gyrocompass headings to obtain true headings ________.
A.
The readings are too low（small numerically）and the amount of the error must be added to the compass to obtain true
B.
The readings are too low and the amount of the error must be subtracted from the compass to obtain true
C.
The readings are too high（large numerically）and the amount of the error must be added to the compass to obtain true
D.
The readings are too high and the amount of the error must be subtracted from the compass to obtain true e
【单选题】Which of the following types of error describes measurement error that arises from arbitrary changes that have a different effect each time the measurement is made?
A.
systematic error
B.
forced error
C.
coefficient error
D.
random error
E.
dispersion error
【单选题】按GB5071-1996《液压电梯》规定，液压电梯正常工作条件应符合GB10058的规定，除此以外，液压电梯每小时启动运行的次数不应大于（）次，液压系统油箱的油温应控制在（）之间。
A.
60；5～70℃
B.
80；5～65℃
【多选题】按JG5071—1996《液压电梯》规定，液压电梯正常工作条件应符合GB10058的规定，除此以外，液压电梯每小时启动运行的次数不应大于( )次，液压系统油箱的油温应控制在( )之间
A.
5～70℃
B.
5～40℃
C.
80
D.
60
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