Some created concepts such as condition entropy,joint entropy,knowledge entropy,decision entropy,knowledge cough entropy and cough-sets cough entropy enrich rough sets theory,however,the denotations are not clear,and even lacking of the necessary explanations and proofs.

On understanding of cyclic waterflooding pilot testing effect in Wangguang Area of Wangchang Oilfield;

Practice of pipeline anticorrosion in Jianghan Oil Region and understanding on improvement of glass steel pipeline;

The practice and understanding of highly efficient development of Honglian edge - bottom water reservoir in Tuha Basin;

Recognition of mechanical ventilation used in the rreatment of chronic obstructive pulmonary disease with respiratory failure;

A survey of status quo of nurses cognition towards nursing research in primary hospitals;

Further cognition in design practice on problems about high-steep slope of Three Gorges Shiplock;

IBM Construction at Entrance of Qinling Tunnel and Its Knowledge of Problems Concerned;

How Intellect Knows Itself:Aquinas’Thoughts about Self-Knowledge;

Citizens’ Condom Knowledge and Usage in China;

Understanding the Sketch——A Reassessment of the Concept of the Sketch;

Misunderstanding on Teacher Specialization;