Its subject and the enclosure and performance of connecting equipment have essential influence on the economic performance of the whole power system.
其主体及其附件和连接设备的性能对整个电力系统的经济性能有至关重要的影响。
Participation in discussion is essential to the life of the class and the force and cogency of students' remarks will have a marked influence on grades.
参与分组讨论是基本的上课方式，并且也是评量同学成绩的标准之一。
It is found, during the prediction of the last potion of load-settlement curve, that the failure patterns of piles have an essential influence on the accuracy of the prediction.
对未压坏桩后半段荷载沉降曲线进行预测时发现，桩的破坏模式对预测的效果影响较大。
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