They are as follows: the progressiveness embodied by refinement and simplicity getting more and more reasonably proportioned, the skillfulness see in the gradual combination of emotion and literary grace, and the adaptability reflected by the art of wording and the type of writing varying with the circumstances.

On "Affections-Coloration" in 《Gragons Carved in the Heart of Literature》;

After distinguishing the difference between filtering and cleaningon the one side and information retrieval on the other, the author presents the filtering and cleaning framework of a network competitive intelligence collection system and discusses its operating mechanism.

This text bases on the extant limited works of Liu Zhen,and analyzes his poem that including high and steep style,abundant feeling,lonely and sad artistic conception such three artistic characteristics,and issues .