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【单选题】
准同步并列时产生的合闸冲击电流的大小,取决于断路器量测电压的()A.
矢量差的模
B.
矢量差
C.
幅值与额定电压的差
D.
幅值差
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反馈参考答案：
举一反三
【单选题】●A _(72) is a collection of projects and other work that are grouped together to facilitate effective management of that work to meet strategic business objectives. (72)
A.
program
B.
portfolio
C.
project of large size
D.
PMO
【单选题】Public works projects have not significantly ______ the unemployment situation.
A.
facilitated
B.
mollified
C.
softened
D.
alleviated
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