With its eutrophication becoming more and more serious,a lake could gradually turn from the sink of nitrogen and phosphorus into one source of both,with the vegetation and microorganisms in the soil playing a critical role in the processes.
概述了氮(N)、磷(P)两种元素在湖滨湿地迁移的研究。
On Semantic Types of Chinese Homograph Structure “N de N”;
汉语同形“N的N”结构的语义类型