By using logic variables to express the structural characteristics of a thermodynamic system and a regenerative heater and on the basis of matrix theory an analysis is performed of the material balance and energy balance of the regenerative heater.

This paper applies contrast analysis of information gain with statistical regression to transforming logic variable into numerical value.

On drawing reference from western logic method in modern philosophy s transformation in China;

By summing up the process of forming the program, this paper expounds the application of logic method to project design, which is "finding out and analyzing the essential factors￡"then studying and seeking solution, finally integrating different factors and forming the conceptual program".

Pan-Boolean algebra as a new logic method has been used in many fields.

Preliminary analysis of non-logical methods in Mo Zi s debate;

The introduction of modern scientific method into China can be traced back to the Reformists in 1898, who to some extent disseminated and applied the experimental method, logical method and scientific method.

Relationship between historical method and logical method in physics teaching was researched.

Ontology, which originated from the West, is basically characterized by the use of logical methods.