yanjia 中文意思是什麼
yanjia
解釋
閻家-
In the yanjia river watershed, paddy field and dry land are the main types in land use, which are 68. 05 % of the whole watershed
流域內土地利用類型主要以水田、早地為主，共占流域面積的68 . 05 。 -
Windows 2000 professional was used here for operating system, and arc / info 8 from esri company was used for the work flat floor. this study builds the spatial database of yanjia river watershed, which includes digital elevation model, watershed drainage network, soil, land use et al
本研究以windows2000professional為操作系統，採用esri公司的地理信息系統產品arc info8為工作平臺，建立了晏家河流域的空間數據庫，包括流域數字高程模型、流域水系、土壤、土地利用等空間信息。 -
Taken yanjia river watershed as an example, this study extracted watershed digital characters from dem, and simulated rainfall - runoff with the rainfall - runoff model based on gis and wms. the main contents and results include : ( 1 ) the building of the spatial database of watershed
本研究應用地理信息系統和wms模型系統，以三峽庫區晏家河流域為例，由dem提取流域數字特徵，再與降雨徑流模型有機結合進行了降雨徑流數字模擬研究，主要的研究內容和結果包括以下幾個方面： （ 1 ）建立了流域空間數據庫。
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