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【单选题】
下列哪个选项不属于平面构成三大要素
A.
B.
C.
线
D.
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【单选题】下列机构:1)对心曲柄滑块机构,2)偏置曲柄滑块机构,3)平行双曲柄机构,4)摆动导杆机构,5)曲柄摇块机构,当原动件均为曲柄时,具有急回运动特性的有( )。
A.
2个
B.
3个
C.
4个
D.
5个
【简答题】插花艺术的造型基本原则?
【判断题】为了满足品味越来越高的玩家,各大游戏研发公司也是在竭尽全力得想跳出游戏自始至终单一类型的圈子,研发一些多个类型的组合模式。
A.
正确
B.
错误
【单选题】It could not be ruled out that, sooner or later, the country would break out of the treaty.
A.
confirmed
B.
tolerated
C.
excluded
D.
refuted
【简答题】下列机构:1)对心曲柄滑块机构,2)偏置曲柄滑块机构,3)平行双曲柄机构, 4)摆动导杆机构,5)曲柄摇块机构,当原动件均为曲柄时,具有急回运动特性的有(    )。 A.2个    B.3个    C.4个    D.5个
【单选题】The ratio between payments into and out of a country is known as the country's balance of payments. Besides the value of imports, and exports (the balance of trade), the balance of payments includes p...
A.
specificity
B.
accuracy
C.
ability to predict future trends
D.
comprehensiveness
【单选题】下列各机构中: 1) 对心曲柄滑块机构、 2) 偏心曲柄滑块机构、 3) 转动导杆机构、 4) 摆动导杆机构、 5) 曲柄摇杆机构,当原动件均为曲柄时,上述机构中有 具有急回运动特性。
A.
2个
B.
3个
C.
4个
D.
5个
【单选题】下列机构: 1)对心曲柄滑块机构,2)偏置曲柄滑块机构,3)平行双曲柄机构,4)摆动导杆机构,5)曲柄摇块机构,当原动件均为曲柄时,上述多少个机构有急回运动特性?( )
A.
2个
B.
3个
C.
4个
D.
5个
【单选题】下列机构: 1)对心曲柄滑块机构,2)偏置曲柄滑块机构,3)平行双曲柄机构,4)摆动导杆机构,5)曲柄摇块机构,当原动件均为曲柄时,具有急回运动特性的有( )。
A.
5个
B.
4个
C.
3个
D.
2个
【单选题】The ratio between payments into and out of a country is known as the country's balance of payments. Besides the value of imports and exports (the balance of trade), the balance of payments includes pr...
A.
specificity.
B.
accuracy.
C.
usefulness.
D.
comprehensiveness.
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