drainage period 中文意思是什麼
drainage period
解釋
排水期-
A scientist measured rainfall and discharge in the seine drainage basin for a period of three years.
有一個科學家測量了塞納河流域盆地三年內的降雨量和流量。 -
The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano
影響喀斯特流域枯水徑流的因素異常復雜，其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上，採用人工神經網路技術，結合傳統的統計方法，研究貴州高原上喀斯特流域的枯水徑流規律。 -
Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage
三是根據影響喀斯特流域枯水徑流的下墊面因素（空間尺度、巖性、地貌類型、植被） ，分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的空間變化規律以及實際開發利用狀況，首次提出了枯水資源承載力的概念，即在枯水季節期間，保持良性的生態環境和現有的技術條件下，某一區域內可開採的水資源量對支持該地區人口、經濟與環境協調發展的能力和限度。並初步分析了枯水資源承載力的內涵、特性，從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。 -
Financial shortage greatly affected the normal operation of school, causing a series of problems such as difficulties in salary distribution of teachers, drainage of excellent teachers, increasing economic burden of students, high dropout rate etc. all these problems had come into being at the background that state totalitarianism period transformed to the pressurized system and during the process that educational finance base transformed
在對短缺財政下鄉村教育的現狀和問題的分析中可以看到，學校的行政機構設置和財政基礎發生了明顯的變化，而財政短缺使學校的正常運作受到沖擊，造成了教師工資的拖欠、優秀教師的流失、學生的經濟負擔加重、輟學率居高不下等教育困境中的問題。 -
However, if the growth period is one month - ahead of the present schedule, it will save 100 million m3 of water withdrawal in hangzhou. 5. the concentrations of tp, tn in drainage water respectively have a peak value and a 40 - days stable period
農田排水中的tn 、 tp濃度變化均有一個峰值和40天的穩定期，建議在高濃度污染物出現期間控制農田排水或考慮高濃度排水進行回灌。 -
Uplift reduction by drainage is an important technology for ensuring large - sized channel lining works, especially in preventing damage of uplift in high groundwater level to lining body during the non - conveyance period
摘要大型渠道襯砌中的排水減揚壓技術是確保渠道襯砌施工的一項重要技術，對于防止非輸水期特別是汛期高地下水位對襯砌體的揚壓破壞具有重要作用。 -
Methods biliary jejunal bridge internal drainage was used in 25 patients of malignant bile duct obstruction. the rapidity of subsidence of the jaundice and the survival rate were compared between bridge group and 12 cases treated by extenal drainage and 20 case treated by conventional internal drainage at the same period
方法我院設計採用膽管空腸搭橋術治療不能行根治術的惡性膽道梗阻病人25例，並與同期外引流組12例和傳統內引流20例比較。 -
Clinical study on drainage thorning and absorbing and regulating qi and blood in treating hypertension bleeding apoplexy in acute period
調氣和血法治療高血壓性出血型腦卒中急性期臨床研究 -
Irrigation and drainage engineering in west china during the period of the anti - japanese war
抗戰時期西部地區農田水利建設述論 -
Through a comparison between several treatment methods such as drainage consolidation, powder spraying, pressure mud pumping, gyratory spray pumping etc, the result shows that under suitable condition the application of gyratory spray pumping has some advantages such as short construction period, high ground base bearing force after treatment and less compressibility. it can guarantee structures to be built in due time and safety after completion. those results show that gyrayory spray pumping technology has good practicality inengineering
通過對排水固結法、粉噴法、壓力注漿法、旋噴注漿法等幾種應用處理方法的效果對比，表明旋噴注漿法處理地基在適宜的條件下應用，具有工期短、處理后地基承載力較高、壓縮性較小的優點，能保證構造物按期施工及其建成后的安全使用，只有較高的實際應用價值。
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