故市
故市-
结果表明，2001年外来源的贡献占南宁市总硫沉降量的72%，而本地源的贡献占南宁市总硫沉降量的28%，故在南宁市的酸雨形成过程中外地源占据主导地位。
The calculation result shows that 72 % of sulfur deposition in Nanning comes from the external sources while 28 % comes from local sources in 2001 . Therefore , external sources play major role in formation of acid rain in Nanning .
-
故楼是南京市的地标。
Gulou is the landmark of the city of Nanjing .