flat drainage 中文意思是什麼

flat drainage 解釋
平面排水
  • flat : n 1 〈英罕〉地板；（房屋的）一層。2 一套房間；〈pl 〉分宅公寓〈美國高級公寓叫 apartment house〉。...
  • drainage : n. 1. 排水，放水；排水法；逐漸流出。2. 下水道；排水設備，排水系統。3. 水系，排水區域，流域。4. 陰溝水，（排出的）污水。5. 【醫學】引流，導液（法）。
  1. 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。
  2. Dem has abundant information about terrain, and we can extract the watershed basic characters, which include land surface characters, drainage network et al based on gis, and also can make certain the watershed boundary and set off sub watersheds from dem, which provide the flat roof for digital hydrological simulation

    數字高程模型（ dem ）存儲了豐富的地形信息，通過gis可以提取流域的基本特徵，包括下墊面特徵、水系、河網等，並可以依據河網等級確定流域的邊界，進行子流域的劃分。為數字水文模擬提供了平臺。
  3. The spokesman said fehd staff would disinfect the kitchen and the toilet of each flat with special attention being paid to the cleansing of sinks, bathtubs and drainage points

    發言人說食環署的職員會協助消毒每個單住的?房及?所，尤其注意洗滌盆、浴缸及排水位。
  4. On the basis of raster digital elevation model ( dem ) data over the laohahe river catchment in the upper and west area of the liaohe basin within inner mongolia autonomous region, the digital elevation drainage network model ( dednm ) is applied for assigning flow - vector directions over flat and depressional areas of the dem, for identifying stream network and watershed divides, and for establishing spatial topological structure of subcatchments and stream network

    基於遼河水系老哈河流域柵格數字高程模型（ dem ）數據，採用數字流域水系模型（ dednm ） 、河流工具rivertools 、地理信息系統arcview軟體，根據地形提取水系信息，構建數字流域水系、子流域與河網的空間拓撲關系。
  5. It is found that the automatic detection of drainage networks from digital elevation models is affected by flat areas and closed depressions. a variety of methods have been proposed to treat these two features, but it can be seen that the flat areas and closed depressions are processed only after they have been created, so that many spurious and parallel drainage courses are generated

    數字高程模型（ dem ）已在分散式流域水文模型中得到了越來越廣泛的應用，但dem中的閉合窪地和平坦區域影響著流域河網的自動提取。目前已提出好多方法來處理這兩種地形，但均針對已經形成的dem單元網格進行處理，結果往往生成偽河道及平行河道。
  6. Methods for processing depression and flat areas in extracting drainage networks based on the dem

    提取流域水系時窪地與平地的處理方法
  7. A flat roof has poor drainage

    平的屋頂排水差
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