Firstly, the author gives the new concept of human society quality world and human society quality engineering.
提出了人类社会质量世界与人类社会质量工程的新理论概念。
In order to ensure the human and equipment safety, the concept and the technique of the integrated grounding system has been introduced in high speed passenger dedicated railway engineering in China.
为了确保人身和设备的安全，我国高速电气化客运专线引进了综合接地系统的概念和技术。
In order to ensure the human and equipment safety, the concept and the technique of the integrated grounding system has been introduced in high speed passenger dedicated railway engineering in China.
为了确保人身和设备的安全，我国高速电气化客运专线引进了综合接地系统的概念和技术。
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