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【单选题】
单位价格上涨而其他因素不变，则( )。A.
保本点和降低，安全边际降低，利润减少
B.
保本点和上升，安全边际上升，利润增加
C.
保本点和上升，安全边际降低，利润降低
D.
保本点和降低，安全边际上升，利润增加
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皮皮学刷刷变学霸
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【简答题】塑性铰的转动限度，主要取决于 、 和 。
【单选题】Which conditions are mentioned in Article 4(A)(2) and Article 4(A)(3) of Geneva Convention III about Taliban Soldiers? (multiple choice) ( )
A.
that of being commanded by a person responsible for his subordinates;
B.
that of having a fixed distinctive sign recognizable at a distance;
C.
that of carrying arms openly;
D.
that of conducting their operations in accordance with the laws and customs of war.
【简答题】What is the difference between sampling theorem, Nyquist theorem, and Shannon theorem?