mountain area, highland and flatland share the territory evenly 有沂河沭河中运河滨海四大水系,区域划分属淮河流域。
beijing is a 65-square-mile expanse of flatland surrounded by a desert that is fast encroaching because of massive deforestation 北京是一大片占地65平方哩的平地,周遭被沙漠包围,并因大量滥伐正快速侵蚀。
the latter included three subtypes : dry land supremacy mode ( dls2 ), mountain paddy field supremacy mode ( mpfs ) and flatland paddy field supremacy mode ( fpfs ) 旱地为主型,山区水田为主型和坝区水田为主型三个亚类是解放初滇南占主导地位的农地利用模式。
tuzhangfang earthen house is earthenly built wooden-structured house from the ground with two stories . it is warm in winter and cool in summer, suitable for dai people living hot flatland 是一种平地起建的黏土木结构房屋。分上下两层,房屋冬暖夏凉,适宜热坝傣家人生活。
forty-five years f expericence in design, inspection, consultation and supervision of large-scale and medium culverts, sluice gates, bridges, dams and lock gates on flatland as well as irrigation and water conservancy 四十五年从事平原地区大中型涵、闸、桥、南和船闸工程和农田水落石出利规划设计、审查、咨询、监理工作。