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【简答题】
对称三相星形联结的发电机的A相电压为 ，在基波频率下RL串联负载阻抗为Z=(6+j3)Ω，中性线阻抗Z N =(1+j2)Ω。试求各相电流、中性线电流以及负载消耗的功率。如不接中性线，再求各相电流及负载消耗的功率；这时中性点电压U N'N 为多少?
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【单选题】_______ both sides accept the agreement will the two countries live in peace.
A.
Only if
B.
Unless
C.
If only
D.
As long as
【单选题】If payment is not received by the () date,the agreement will be cancelled.
A.
refering
B.
due
C.
whereas
D.
thus
【单选题】__________both sides accept the agreement will a lasting peace be established in this region.
A.
If only
B.
Only if
C.
unless
D.
As long as
【单选题】People think about how the agreement will affect them in the future.
A.
positional approach
B.
interest-based approach
【单选题】The signer of the agreement will be determined by____.
A.
the leader of the nation
B.
the minister of the government
C.
the head of the local firm
D.
the contracting parties
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