Dayangshu的用法和样例：
例句
- Dayangshu Basin was in extensional setting in the Quaternary period, and a series of small extensional half-grabens were formed.
第四纪大杨树盆地具有伸展的特征，发育一系列小型伸展断陷。 - The results showed that the predominant host animal of Dayangshu District was Apodemus agrarius, and presently it has changed to the mixed type of HFRS.
结果表明，大杨树地区的疫源地性质是黑线姬鼠为主要宿主动物的肾综合征出血热自然疫源地，目前已演变为姬鼠型为主的混合型疫区。
