对主数据的所有修改直接或间接地对此系统执行。
All changes of master data are executed direct or indirect against this system.
如果可能，应尽量采用单一的系统接地点。
When possible, try to maintain a single system ground point.
分析了采用小电阻接地系统的必要性及该系统的故障特性。
The necessity of low resistance ground system and its fault characteristic were analyzed.
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.
在负载的测试系统中，很容易形成接地环路。
论述了电气装置接地对于系统安全的重要性。
The importance of earthing electric equipment was analyzed for system safety.
UPS的地线必须与有效的接地系统连接。
The earth wire of the UPS must then be connected to an efficient earth system.
电气接地是保障电气系统正常运行和设备安全的重要措施。
Electrical earthing is an important measure to ensure the normal operation and equipment safety.
直流系统环网是接地故障检测中的一个关键因素。
Loop net of DC system is an important factor in the grounding fault detection.
接地系统的设计是工程建设中较为关键的技术环节。
接地系统的设计是工程建设中较为关键的技术环节。
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