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问题
问答题 简答题
我国高铁牵引变电所进线电压等级是多少?
答案
参考答案:
多为220kV。
选择题
The role change of husband to father, although difficult, doesn't seem so great as _____ of wife to mother.
A. that
B. one
C. this
D. those
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问答题 简答题
作业调度和进程调度的主要任务是什么?为什么要引入中级调度?
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