本论文从HF电气集团公司(简称HF公司)的实际出发，结合现代市场营销学理论，系统地制定出HF公司电力二次设备市场营销战略。
I establish systematically the marketing strategy on electric power secondary Equipment for HF electric Corporation with modern marketing theory in this thesis.
可应用于建筑电气的平面图设计、系统图设计、二次接线图设计、标注、设备统计、线型设置、负荷表计算等方面。
It has been applied to building electricity plan design, secondary drawings design, marking, devices statistics, linestyle setting and power system load calculation etc.
采用模块电源构成飞机高压直流电气系统的二次电源分布式系统，可提高供电可靠性和供电质量。
It can improve the reliability and quality of the high voltage DC electrical system of airplane to adopt modular power supplies to construct a secondary distributed power system.
论述了目前电气化铁道计算机继电保护系统在运行中如何利用计算机对其外部二次线路进行监控的问题，能提高计算机继电保护智能化的程度。
The computer protection system in the electrified railway can use computers to supervise and control its external secondary wiring, which improves the intelligence of computer protection.
论述了目前电气化铁道计算机继电保护系统在运行中如何利用计算机对其外部二次线路进行监控的问题，能提高计算机继电保护智能化的程度。
The computer protection system in the electrified railway can use computers to supervise and control its external secondary wiring, which improves the intelligence of computer protection.
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