drainage survey 中文意思是什麼

drainage survey 解釋
水系測量
  • 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)。
  • survey : vt 1 眺望,俯瞰,環顧。2 審視;通盤考慮[考察],觀察(形勢);概括,綜合評述。3 測量(土地),勘查...
  1. Geochemical drainage survey

    水地球化學測量
  2. " highway facilities " mean drainage facilities ; protection installations ; crossroads ; boundary markers ; survey stakes ; safety, communications, checking, supervision, control, maintenance, and service facilities ; flower beds ; lawns ; trees ; and special - purpose buildings

    「公路設施」是指公路的排水設備、防護構造物、交叉道口、界碑、測樁、安全設施、通訊設施、檢測及監控設施、養護設施、渡口碼頭、花草林木、專用房屋等。
  3. In the first place, the study processed data of remote sensing and non - remote sensing to be digital, vector, raster and imagery geocode, established geographic database of soil erosion, and calculated elements " pixel maps of soil erosion. secondly, by using model builder of arcview to establish dynamic survey model of soil losses in longchuan river drainage basin. at last, to obtain maps of status & the forecast maps for soil conservation

    首先通過遙感與非遙感資料的數字化、矢柵化及圖形圖像地理配準,建立了水土流失地理數據庫,並運算出水土流失各因子像元圖;在此基礎上,憑借arcview子模塊modelbuilder的支撐,建立龍川江流域水土流失動態監測模型;最後運行該模型獲取水土流失現狀圖和防治預報圖等結果圖件,完成了研究區1998 、 1999年水土流失定量遙感監測任務。
  4. Nosocomial infections in severe head injury patients after ventricular puncture and drainage : a survey of related factors due to sub - hypothermia technique

    重癥顱腦損傷患者腦室引流術后亞低溫治療醫院感染的調查
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