防障 meaning in English

failsafe

The assyrian king remembers his glorious ones : they stumble in their march ; they hasten to the wall of the city , but the besiegers ' shelter is prepared
5亚述王招聚他的贵胄：他们颠踬而行，奔上城墙，但攻城者的防障已经备妥。
In chapter 4 , according to the traditional method using the mapxtreme platform to realize the webgis , the new webgis realization model based on mapx is put forward . then the algorithm of defensive icon position on the topological graph and the icon refresh method based on event state and icon state are designed . lastly , the data consistency problems of the new model are presented and solved
第四章，对传统的利用mapxtreme平台实现webgis的方法进行改进，提出了基于mapx的webgis实现模型，给出了防障动态图标在光缆网络拓扑图上的定位算法，设计了基于事件状态位和图标状态位的快速更新图标方法，解决了网络拓扑图显示数据和数据库数据以及各客户端显示数据的一致性问题。