通过对电力系统异步运行状态的分析，提出了利用振荡中心电压的变化特征来判断系统失步的失步解列装置。
Through analysis of the out of step operation of power systems, a new out of step splitting device is proposed.
奎尼匹埃克大学的另一位民意调查员彼德.布朗说，美国民众认为，伊拉克战争得不偿失。 他补充说，他们只是对下一步如何走有分歧。
Quinnipiac pollster Peter Brown says Americans have concluded the Iraq war was not worth the cost, but he adds that they remain divided on what to do next.
万无一失的训练分哪三步呢？
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