爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.The Application of DEM to Drainage System Planning and Design in Farmland Consolidation
数字高程模型在农地整理排水渠道规划设计中的应用收藏指正
2.It has been shown that farmland consolidation causes a big change of available phosphorus, available potassium and active organic matter in soil.
调查和分析结果表明 ,土地整理前后土壤中速效磷、速效钾和活性有机质均发生明显变化 ;收藏指正
尝试查询