Motion control system, with the characteristics of high practice, rapid update and great teaching difficulty, etc, is the core curriculum of electrical automation major in college.

《运动控制系统》是高等院校电类自动化专业的一门核心专业课程，具有实践性强、内容更新快、教学难度大等特点。

youdao

For all the difficulty of doing a rigorous evaluation in order to improve teaching performance across the board, I suspect it is a whole lot easier to identify the worst teachers in the school.

FORBES: Getting Rid of Bad Teachers