【Abstract】With the analysis of the virtues of project-based learning (PBL),this thesis explores the strategy and technique based on PBL for professional English study in class. 【Key Words】project-bas
To adapt to the new requirement of the developing flatness control theory and technology, cubic patterns were introduced on the basis of the traditional linear,
The important status of guide ring in large power plants and its manufacturing methods were introduced. The advantages of manufacturing methods including weldin