root nodule bacteria中文什么意思

例句与用法

1. 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
   摘要对豆科植物-根瘤菌共生固氮体系在西部大开发中的作用进行了论述，并提出建设性意见。