本研究表明，化学专业学生教学技能的形成过程可以分为三个阶段：第一阶段，大学一年级至三年级角色认识时期；

The research showed that the formation of teaching skill was divided into three stages: firstly, grade one to grade three in college, role recognizing;

youdao

本研究表明，化学专业学生教学技能的形成过程可以分为三个阶段：第一阶段，大学一年级至三年级角色认识时期；

The research showed that the formation of teaching skill was divided into three stages: firstly, grade one to grade three in college, role recognizing;

youdao