经过试验和探索，找到了夏季真空波动的原因，在直接空冷机组中，真空泵出力对真空的变化有明显的影响。
Through tests and exploration, the cause of vacuum fluctuation in summer was found, in the direct air cooling unit, the output of vacuum pump had obvious influence on the variation of vacuum.
根据试验结果分析贝卡尔特钢纤维的拔出破坏类型，并且给出了与试验结果符合良好的最大拔出力计算公式。
Basing on the results of the experiment, analyze the fail model of B-Fiber pulling out and present the formula of the peak pullout load which accords with the results of the experiment better.
对IEEE 30和IEEE 118节点系统进行考虑发电机无功出力约束的局部相关性试验，所提方法能有效地控制相关性，并具有良好的收敛性。
The experiments about IEEE 30-bus and IEEE 118-bus systems considering partial correlation were made. The proposed methods can effectively control correlation with good convergence.
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