第六章以观音桥商圈为例，重点对其交通问题进行分析，提出改进措施；

Chapter six taking Guanyinqiao business district for example, focuses on the analysis of its traffic problems, and proposes improvement measures;

而对于锌来说，由于其对降水酸度和环境湿度比较敏感，因此，铁山坪站点的腐蚀速率反而稍微高于城区观音桥站点。

Due to its relative high sensitivity to precipitation acidity and environmental humidity, the corrosion rate of zinc at TSP was a little higher than that at GYQ.