main network是什么意思

用法例句

To support QoS routing in MANET (mobile ad hoc networks) is a core issue in the research of MANET.

在移动自主网络中,提供服务质量支持是一个核心研究问题。

This paper presents the necessity and feasibility study on the realization of remote back-up protection through the analysis and research on the present situation of remote back-up protection in the main network of 220 kV and above,in consideration of the present relay protection technological level in China.

通过对220 kV及以上电力系统主网远后备保护现状的分析研究,结合目前国内继电保护技术的水 平,对主网实现远后备的必要性和可行性进行了分析探讨。