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【单选题】
For the standard linear programming problem, the following statement is wrong ( )
A.
In the sensitivity ysis of new variables, if the new variables can enter the basic variables, the objective value will be further improved
B.
In sensitivity ysis with new constraints, the value of the new optimal objective value cannot be increased
C.
When a constraint constant bk increases, the value of objective value will increase
D.
When the objective coefficient of a basic variable increases, the objective value will be improved
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a storm
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an avalanche
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an eathquake
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a tornado
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A.
The test number of this basic variable changes
B.
The test number of other basic variables changes
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The test numbers of all non-basic variables change
D.
The test numbers of all variables change
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Be unchanged
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Large leakage impedance
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Short-circuit current produces strong demagnetization;
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The armature reaction produces magnetization
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a dreamlike paradise
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a peaceful lake
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