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【单选题】
轮系的传动比计算,除了计算速比的大小之外,还要给出两个齿轮(输入和输出齿轮)的转动____。
A.
方向
B.
正负号
C.
方向是相同还是相反的判断
D.
仅计算速比大小即可
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【单选题】Country Risk can be further classified into ( ).
A.
political risk
B.
social risk
C.
economic risk
D.
all of the above
【多选题】提取挥发油可采用的方法是
A.
水蒸气蒸馏法
B.
冷压法
C.
超临界流体萃取法
D.
溶剂提取法
E.
升华法
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【单选题】高频重组菌株是( )。
A.
溶原性细菌
B.
含有R质粒的细菌
C.
整合了噬菌体的细菌
D.
整合了F质粒的细菌
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【单选题】CNC装置允许电网( )在额定值的-15%-+10%范围内波动。
A.
电流
B.
电阻
C.
功率
D.
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【多选题】Our exporter exported a load of cargo to a Middle-east country under CIF terms and covered WPA in additon to TPND, but the vessel was detained as a result of the Iran-Iraq war. The importer lodged a c...
A.
TPND refers to the cargo being stolen partially or totally and leads to non-delivery by the consignee at destination.So the insurance company shall not compensate,from this instance..
B.
Wanting to get compensation ,failure to deliver risk shall be covered
C.
Only we covered War Risk,can we get compensation from  the insurance company
D.
In this instance,the importer can get compensation from  the insurance company
【简答题】宁静的,安宁的,平静的
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