root nodule bacteria

基本解釋

Belonging to the legume family, it enters a complex symbiosis with soil bacteria called rhizobia, which results in the formation of a new root organ, the nodule.
作為豆科植物的一員，大豆與一種被稱之為根瘤菌的土壤細菌形成了復雜的共生關(guān)系，結(jié)果導致新的根器官——根瘤的形成。
Expound the role of the legumes-root nodule bacteria nitrogen fixing system in large development of west area of China, and put forward a constructive suggestion.
對豆科植物-根瘤菌共生固氮體系在西部大開發(fā)中的作用進行了論述，并提出建設(shè)性意見。