1)  teaching effect
进头脑
1.
This paper probes into the improvement of teaching effectiveness through analyzing the properties of the courses political nature,ideological content,theoretical reason,teleonogy,practicality,and di.
文章针对该课程的特点 :政治性、思想性、理论性、针对性、实践性 ,围绕找好教学切入点和“进头脑”组织教学活动 ,对提高课程的有效性进行了探
2)  " take root in mind"
“进头脑”
3)  heading faces
掘进头
1.
By improving the fore support for heading faces,the safer condition of heading faces will become available,reduces the possibilities of accidents in heading faces.
通过对掘进巷道超前支护的改进,改变了掘进头的安全状况,有效地降低了掘进工作面安全事故的发生。
4)  Protruding Tunnelling Head
突出掘进头
5)  Outburst Heading Face
高突掘进头
补充资料：进进
1.奋力前进貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。