The pathogenesis can be divided into four levels: (1) the theoretical basis of pathogenesis (2) the basic pathogenesis (3) the pathogenesis of disease (4) the pathogenesis of syndrome.

Objective To explore the high frequency of breast tumors ultrasonography of the pathological basis to enhance breast tumors (benign and malignant) ultrasound diagnosis.

Regional ecological security: The concept and assessment theoretical basis;

Theoretical Basis and Guiding Principles of Urban Forest Plan;

Theoretical basis of eco-agriculture construction in China.;

Progress of basic theory and accumulation law and development technology of coal-bed methane;

Analysis of current study of Chinese medical basic theory and thinking of developing strategy;

Follow the Scientific Development Model, Create a Bright Future for the Library Science--In Commemoration of the 20th Anniversary of the Hangzhou Conference on the Basic Theory of Library Science;

The fundamental theory and example for developing and designing flotation equipment were provided in this paper too.

A review with 62 references on the fundamental theory of oscillographic analysis is presented in this paper.

The author discussed the inheritance and innovation of TCM fundamental theory and pointed out that in the inheritance study the effect of Chinese ancient philosophy on the TCM theory system should be evaluated scientifically and the major objective of inheritance study is definitude of the meaning of TCM concept and theory.