一大堆

The paper considers that the old industrial workers experience a process of class re-formation during the reform of labor relations, wage system, social security system and welfare system.

本文认为，随着劳动关系、工资制度、社会保障以及社会福利等一系列制度的变革，传统产业工人经历了一次阶级再形成的过程。

Objective: To evaluate the effect and the surgical technique for treatment of acute gallstone pancreatitis with laparoscope.

目的：探讨腹腔镜技术治疗急性胆源性胰腺炎的可行性、有效性和手术方法。