1. An important part is the classification of the infrastructure to be protected in lightning protection zones. 一个重要部分就是在雷击保护区域内受保护的基本设施的分类。
2. Underground water consists of Quaternary pore water, bedrock fissure water and ve in fissure water in structure zones. 矿区地下水类型有第四系孔隙水、基岩裂隙水和构造带脉状裂隙水等三类。
3. Tianjin export processing zones, 43 state-level development zones in cleaning up the request has passed the examination, can resume normal supply of building land. 天津出口加工区等43个国家级开发区符合清理整顿的要求，已通过审核，可以恢复正常的建设用地供应。
