social investigation

常见例句

Promote the theory and practice, encourage students to do social investigation and practice in summer and winter vacations.
提倡理论与实践相结合，鼓励学生利用寒暑假从事社会调查和实践。
www.scuec.edu.cn
The article introduces briefly the social investigation method used and forms two research hypotheses.
文章简略地介绍了所使用的社会调查方法，并形成了两个研究假设。
As a system, the works of social investigation of juvenile's delinquency must be endurable and stable.
尤其作为一项制度而言，未成年人刑事案件社会调查制度必须具有持续性、稳定性。
www.591-lw.com