在实践方面，论文以茂县龙洞沟为例，进行具体分析。

In the aspect of practice, a particular analysis on Longdong Gou watershed in Mao County is given.

茂县是中国西南一传统的以农业和旅游业为主的地区。

Maoxian was traditionally a major agricultural production base and tourism destination in Southwest China.

但是信息部门说能源在受灾较重的北川、茂县和卧龙县仍旧中断。

But power was still out in the worst-hit Beichuan, Maoxian and Wolong counties, the information office said.