Begonia: a knife, evil obviation in your heart.

海棠：一刀，你的心魔除去了。

The thesis introduces the method of malfunction diagnoses and obviation on complex hydraulic system by integrated analysis methods.

采用综合分析法对多种理论线损计算结果进行分析、综合，得到更接近于实际值的综合线损率。

Objective: To study the effect of antepartum urination training on obviation or reduction of dysuria and urinary retention after spontaneous delivery.

目的：探讨孕妇产前进行排尿训练对和减少顺产后排尿困难及尿潴留的效果。