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简述常用的补偿设备。

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组合模板结构的设计应采用以概率理论为基础的极限状态设计方法，并应采用分项系数的设计表达式进行设计计算。（）

电弧由阴极区、弧柱区及（)三部分组成。

People who spend more time on the Internet experienced more ________ and loneliness than those who spend less time on the Net.

New Zealand's economy has probably been going through a more（) revolution recently than that of any other Western countries.