The double cross shaped inner rings join with main streets to present a fast and convenient transport system.
由井字型快速内环沟通了便捷的经六纬九主城道路交通体系。
2
It emphasizes when system stability is required, the main protection must be double configuration.
强调指出当系统对稳定性有要求时，主保护必须进行双重化配置。
3
The subsistent main problems in the double material electricity and hydraulic coexisting DEH system of Zhanjiang power plant 300MW Units are described.