在严格控制的中国金融系统内，储户选择的余地极少。
In China's tightly controlled financial system, savers have little choice.
同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。
At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.
直流输电系统接地极电流对交流电网的影响分析。
Analysis on influence of ground electrode current in HVDC on AC power network.
采用垂直接地极能减小接地系统的季节系数，起稳定接地系统安全性能的作用。
Adding vertical rods to grounding system will decrease the seasonal coefficient and stabilize the safety of grounding system.
直流接地极是直流输电系统中的一个重要组成部分，而接地极的导流系统的设计则是整个接地极最终设计成败的关键。
The DC grounding electrode is an important constituent of a DC power transmission system, and the design of its feeder system is vital for the success of the whole electrode design.
在目前国内的变电所接地系统设计中，采用常规水平接地极网加上垂直接地极的型式最为普遍。
In our design of grounding system in substation, compound grounding network is adopted widely which is composed of horizontal grids and vertical grounding rods.
采用数值计算方法分析了垂直接地极对接地系统的接地电阻、接触电压及跨步电压等的影响。
The influences of vertical grounding electrodes on grounding resistance, step and touch voltages were analyzed numerically.
本文回顾了各种地极坐标系统的状况，包括地极坐标原点的定义、系统的组成和这些系统之间的相互关系等。
A review is given in this paper on the status of various polar coordinate systems, including the definition of their origins, constitution of the systems. and the relations between them.
本文回顾了各种地极坐标系统的状况，包括地极坐标原点的定义、系统的组成和这些系统之间的相互关系等。
A review is given in this paper on the status of various polar coordinate systems, including the definition of their origins, constitution of the systems. and the relations between them.
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