On the basis of studying influence of means of transportation on urban distribution and form,this paper focuses on influence of highway on modern urban areas. R
Based on database of ecological factors and geographic information space analysis method, we analyzed suitability of Wolfiporia extensa (Peck) Ginns producing r
In order to protect Chinese farmers’ sharing benefits and make legal preparation for accession to the International Treaty on Plant Genetic Resources for Food
Tremendous achievements of live pig industry in China are closely related to the industrialization of the industry,and development trend of the latter is essent