1. Reformation of nitrogen seal of blast furnace gas compressor is introduced. 介绍了高炉煤气压缩机采用氮气密封的改造。
2. This article introduced the experience of reformation of the teaching system and physics experiment contents of engineering speciality for the demands of 21st century. 针对21世纪实验教学的要求，介绍了开展工科专业物理实验教学体系与教学内容改革的经验。
3. With the deepening of the new course reformation, people more and more realize the important function of the teaching situation in chemistry classroom teaching and carry on the beneficial quest. 随着新课程改革的不断深化，人们越来越认识到教学情境的创设在化学课堂教学中的重要作用，并进行了有益的探索。
英英解释
n.
1. improvement (or an intended improvement) in the existing form or condition of institutions or practi
2. a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Churc
3. rescuing from error and returning to a rightful course
