潜育层是通过潜育作用形成的.The formation of a gley is known as gleying.水稻土有较长耕作历史, 并已形成了潜育层和潴育层, 但土壤肥力并不高.In all types of soil, lateritic red earth covered over 70 % of the total area, ranking first.并依此分析了三峡工程对土壤潜育化沼泽化的影响.The effect ...
The house is a textbook example of medieval domestic architecture.这所房子是典型的中世纪民居。In this paper, the architecture and routing configuration of DBS Internet access system is introduced.介绍了直接广播卫星(DBS)因特网接入系统的结构和路由配置.These tw...