Focusing on single phase earth faults which frequently happen in medium voltage networks, this paper presents a faulty feeder selection system based on the transient energy criteria.
本文针对中压电网中经常发生的单相接地故障，介绍了基于暂态能量判据对故障支路的选线方法。
The solutions including the redesign of screw, barrel and the selection of feeder, are presented based on experiments results and theories.
并结合实验和理论，从螺杆、机筒、机头设计和加料器选择等方面提出了解决这些问题的措施。
Selection of the feeder layer, medium, and supplemental cytokines and their roles in establishing and maintaining human ES and EG cell lines at present are illustrated in detail systematically.
详细系统地说明了迄今为止建立人胚胎干细胞系所需要的饲养层类型、培养基组成、添加细胞因子种类及其作用；
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