system theory 第1页

Evaluating the adaptation of 14 Brachiaria varieties in southern subtropical areas of Yunnan Thinking of study on secondary development of major traditional Chinese medicine varieties based on system theory Multivariate Analysis of the Ecological Factors and the Modular Structure of Gordonia acumenata Young Tree Population in Mountain Jinyun, Sichuan, China Discussion about research mode of Chinese materia medica based on grey system theory combined with multivariate analysis method