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【单选题】
If the constraint equation contains a variable whose coefficient sequence vector is the unit vector, then it is unnecessary to introduce ( ) into this constraint equation.
A.
relaxation variable
B.
residual variable
C.
artificial variable
D.
free variable
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参考答案:
举一反三
【单选题】The EMF frequency of a synchronous generator is 50Hz, the speed is 600r/min, and its polar logarithm is ().
A.
2
B.
5
C.
10
D.
20
查看完整题目与答案
【单选题】下列先心病中有必要行CTA检查的,不包括()
A.
较小的房间隔缺损
B.
右位主动脉弓
C.
动脉导管未闭
D.
法洛四联症
E.
肺静脉畸形引流
查看完整题目与答案
【单选题】Beat 6 of the Waist-twining 360-degree-turn Beating: Lift the right leg, turn right rear by 180 degrees, extend the tiptoe outward by ( ) degrees to form a bow stance.
A.
60
B.
30
C.
45
D.
90
查看完整题目与答案
【单选题】能够从任意角度显示复杂先天性心脏病的心内、心外及大血管的解剖结构和空间位置关系的最佳影像检查技术是()
A.
超声心动图
B.
心血管造影
C.
磁共振成像
D.
CTA
E.
ECT
查看完整题目与答案
【单选题】The "Magic Fields" here are actually _____.
A.
the terraced fields
B.
the farmland of local people
C.
the dams for irrigation
D.
the rimmed stone dams
查看完整题目与答案
【单选题】The purpose of introducing artificial variables into the constraint equation is ( ).
A.
reflecting the diversity of variables
B.
changing inequality into equality
C.
make the objective function optimal
D.
form a unit matrix
查看完整题目与答案
【单选题】下列哪一种分型不属于房间隔缺损根据病理解剖位置的分型()
A.
中央型
B.
周围型
C.
上腔静脉型
D.
下腔静脉型
E.
混合型
查看完整题目与答案
【判断题】Beat 7 of the Waist-twining 360-degree-turn Beating: Withdraw the left foot, meanwhile turn left rear by 180 degrees with the right foot as axis.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Those upside-down-growing cone-shaped stones are called _____.
A.
stalactites
B.
stalagmites
C.
marble
D.
pebbles
查看完整题目与答案
【单选题】The generating capacity of the generator is measured in kwh, which is the unit name of ().
A.
Electric power
B.
voltage
C.
potential
D.
electricity
查看完整题目与答案
相关题目:
【单选题】The EMF frequency of a synchronous generator is 50Hz, the speed is 600r/min, and its polar logarithm is ().
A.
2
B.
5
C.
10
D.
20
查看完整题目与答案
【单选题】下列先心病中有必要行CTA检查的,不包括()
A.
较小的房间隔缺损
B.
右位主动脉弓
C.
动脉导管未闭
D.
法洛四联症
E.
肺静脉畸形引流
查看完整题目与答案
【单选题】Beat 6 of the Waist-twining 360-degree-turn Beating: Lift the right leg, turn right rear by 180 degrees, extend the tiptoe outward by ( ) degrees to form a bow stance.
A.
60
B.
30
C.
45
D.
90
查看完整题目与答案
【单选题】能够从任意角度显示复杂先天性心脏病的心内、心外及大血管的解剖结构和空间位置关系的最佳影像检查技术是()
A.
超声心动图
B.
心血管造影
C.
磁共振成像
D.
CTA
E.
ECT
查看完整题目与答案
【单选题】The "Magic Fields" here are actually _____.
A.
the terraced fields
B.
the farmland of local people
C.
the dams for irrigation
D.
the rimmed stone dams
查看完整题目与答案
【单选题】The purpose of introducing artificial variables into the constraint equation is ( ).
A.
reflecting the diversity of variables
B.
changing inequality into equality
C.
make the objective function optimal
D.
form a unit matrix
查看完整题目与答案
【单选题】下列哪一种分型不属于房间隔缺损根据病理解剖位置的分型()
A.
中央型
B.
周围型
C.
上腔静脉型
D.
下腔静脉型
E.
混合型
查看完整题目与答案
【判断题】Beat 7 of the Waist-twining 360-degree-turn Beating: Withdraw the left foot, meanwhile turn left rear by 180 degrees with the right foot as axis.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Those upside-down-growing cone-shaped stones are called _____.
A.
stalactites
B.
stalagmites
C.
marble
D.
pebbles
查看完整题目与答案
【单选题】The generating capacity of the generator is measured in kwh, which is the unit name of ().
A.
Electric power
B.
voltage
C.
potential
D.
electricity
查看完整题目与答案
参考解析:
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