This paper mainly discusses the primary features of researching study and its application to teaching, and points out the basic requirements of developing researching study.
本文探讨研究性学习的基本特征及在教学中的应用，论述了开展研究性学习的基本要求。
2
The study on the newly developing membrane separation technology - vacuum membrane distillation is carried out with experimental and theoretical research work in this paper.
本论文对新型的膜分离技术—减压膜蒸馏技术进行了全面的实验研究和理论研究。
3
This paper analyzes why there is singing psychology and effects that it has on singing and teaching, points out the methods and necessity of developing good singing psychology.