It describes the "One Process Six Periods "academic system, together with the theoretic foundation and basic content of the "Three Loops" interactive education model.

Based on the analysis of the present situation of experiment teaching for medical specialty,this paper points out that we should integrate the content of experiment teaching,change the teaching method,and carry out experiment teaching based on "three stages".

In the course of dynamic compaction reinforcement and treating floppy foundation,earth volume is compressed in the effective scope of getting force to any tamping point,which is controlled by three stages that is reducible porosity stage,granules deformation stage(granules compaction stages) and granules inlaid stage.

The study of Chinese grammar of the20th century is“Chinese Transitory Grammar”made after introducing Western theories，which according to the methods of introduced Western grammatical theories can be divided into four stages:draft，change，development and reconstru.

Research on ZHAO Shuli started from the 1940s and falls into three phases: from 1943 to 1962, ZHAO was highly praised with ZHOU Yang s monumental "On ZHAO Shuli s Creativity" being the landmark work.