您要查找的是不是：
- Field Measuring Techniques Development of Grounding Grid Resistance and Measurement Error Analysis 接地网电阻现场测量的技术发展及误差分析
- grounding grid resistance 接地网电阻
- Computer detection technology of large grounding grid is a new method, which can detect the running state and the fault points of the grounding grid swiftly and accurately. 计算机检测大型接地网技术是一种可以快速准确检测接地网运行状态和故障点的新型接地网检测技术。
- The Development of Frequency-changing Power Used in Ground Resistance Measurement of Large-scale Grounding Grid 大型地网接地电阻测量用变频电源的研制
- To reduce the cost in grounding resistance measurement of grounding grids along Qinghai-Tibet railway, a new grounding gird resistance measurement device was designed. 摘要为在青藏铁路变电站接地网测量接地电阻时减少所需的人力物力和降低测量难度，提出了新型接地电阻测量装置。
- Fault Detection of Grounding Grid of Power System 电力系统接地网故障的无伤检测方法
- grounding grid of hydropower station 水电站接地网
- reconstruction of grounding grid 接地网改造
- Grounding grid of the transformer substation 变电站接地网
- corrosion diagnosis of grounding grid 接地网腐蚀诊断
- The results show that the function of subsidiary grounding grids becomes smaller as the distance between two grounding grids becomes longer. 计算结果表明,随着辅助接地网与主接地网之间的距离的增加,辅助接地网的作用逐渐减小;
- To investigate the testability of grounding grids corrosion diagnosis, a novel approach using circuit topology transformation was presented. 为研究接地网故障诊断的可测性,提出了一种利用接地网拓扑变换的分析方法。
- The measurement of grid resistance distribution and its influence 板栅电阻分布测量及其影响因素的分析
- Based on investigation to the situation of serious corrosion of several grounding grids, importance of anti-corrosion for grounding-grid was pointed out. 摘要在对发电厂、变电站接地网腐性现象进行调研的基础上指出了接地网防腐性的重要性；
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- An Analytic Formula for Grounding Resistance of A Grounding Grid with any Shape in Two-Layer Soil 两层土壤任意形状接地网电阻的解析公式
- The ground was covered with ferns. 地面上长满了羊齿植物。
- The Analytic Calculation for the Grounding Resistance of a Square Grounding Grid within a Two-layer soil 两层土壤中正方形接地网接地电阻的解析计算
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
