题目内容

若一台同步电机定子采用分布、短距、双层绕组,它的零序电抗为X0,定子漏电抗为Xσ,试比较X0与Xσ的大小。

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伤寒缓解期

A. 伤寒第一次茵血症
B. 伤寒第二次菌血症
C. 伤寒肠道并发症
D. 伤寒后再燃
E. 伤寒后复发

短期融资券的注册机构为()。

A. 中国人民银行
B. 中国银行问市场交易商协会
C. 中国证监会
D. 中国银监会

Which of the following is true according to the passage?

A baby is born to have the ability to defend himself/herself with anger.
B. Internal psychological factors serve as the trigger of anger.
C. Hostile behavior. can be traced back to the emotional scars of individual child- hood.
D. All of the above.

为什么三相异步电动机正常运行时的转差率一般都很小?

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