- The coal facies might indirectly control the petrophysical properties as adsorption, desorption and permability of the coal reservoir through directly controlling its pore system differential development.
- Outlining his concept of “differentiated development”, he argued that at least a fifth of the scientific questions currently asked were unnecessary.
概述了他的概念， "有区别的发展" ，他认为，至少有五分之一的科学问题，目前正在询问，没有必要。
- Balanced and Differential Development of the Compulsory Education
- He tracked out the course and development of it.
- Concern about ecology is a recent development.
- A factory must try to diversify for further development.