Adolescence is the transition period between childhood and manhood.

　　青春期是兒童和成人階段的過渡時期。

　　Analysis of congestion characteristics of Chinese industrial production factors during transition period.

　　轉軌時期中國工業(yè)生產(chǎn)要素擁擠的特征分析。

　　On China's Labor Force Participation Rate during Economic Transition Period.

　　經(jīng)濟轉型時期的中國勞動力參與率問題。

　　Research on Management Mode of Fire Supervision Improvement at Social Transition Period.

　　社會轉型期完善消防監(jiān)督管理模式研究。

　　Research on Foreign Language Teaching in the Transition Period.

　　轉型時期外語教學探討。