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【判断题】
Parametric programming is generally discussion about the variation of the coefficients of linear programming model in an interval ( )
A.
正确
B.
错误
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】When the synchronous generator is connected in parallel with the power grid, some conditions must be met, but the first condition that must be absolutely met is ()
A.
Equal voltage
B.
Same phase sequence
C.
Same frequency
D.
Same phase
【单选题】If the synchronous generator is connected to the power grid according to the ideal quasi synchronous method without any adjustment, the output power of the synchronous generator to the power grid is (...
A.
P>0,Q>0
B.
P>0,Q<0
C.
P<0,Q>0
D.
P=0;Q=0
【单选题】In December 2001, Zhongdian County was officially renamed ______ with the permission of the State Council.
A.
Deqing County
B.
Shangrila County
C.
Weixi County
D.
Shangrila Town
【单选题】“Three Parallel Rivers” was identified as a ______ by UNESCO in 2003.
A.
World Cultural Heritage
B.
World Record Heritage
C.
World Fossil Heritage
D.
World Natural Heritage
【单选题】The reactance that mainly affects the maximum electromagnetic torque of synchronous generator is ()
A.
The stator leakage reactance
B.
Synchronous reactance
C.
Reactance of armature reaction
【单选题】The kicks and bounces in the Worshiping Kwan-Yin are all at （ ） degrees.
A.
30
B.
45
C.
60
D.
90
【多选题】in 1970s, the ______ grew to be a famous luxury-hotel brand in the _____ .
A.
Shangrila Hotel Chain
B.
Asian-Pacific region
C.
Shangrila Inn
D.
Southeast Asia