洪峰預報 的英文怎麼說

中文拼音 [hóngfēngyùbào]
洪峰預報 英文
crest forecast
  • 洪 : i 形容詞（大） big; vast; grand Ⅱ名詞1. （洪水） flood 2. （姓氏） a surname
  • 峰 : Ⅰ名詞1. （山的突出的尖頂） peak; summit 2. （形狀像山峰的事物） peak-like thing Ⅱ量詞（用於駱駝）
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 報 : Ⅰ動詞1 （告知; 報告） report; declare; announce 2 （回答） reply; respond; reciprocate 3 （答謝）...
  • 預報 : [訊] forecast; forecasting; prediction
  1. So as the enter point of the stream, the income of the reservoir, the time of the flood peak lasted, the quantity of sandiness income and the strobe of the darn. we must do some work to forecast and watch the different density stream. by experiments, we made out that it is impo rtant for us to reduce the water lever in work of the river belongs lots of sandiness

    從異重流試驗看，在正常運用下，水庫產生泥沙異重流的機率較大，能否運動到壩前排出庫外，還要看異重流潛入點位置、入庫流量、洪峰歷時、入庫含沙量、水庫閘門運用等因素，需要做好異重流預報監測工作。
  2. According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river

    根據小浪底下游各站沙峰均滯後於洪峰的35場洪水，對沙峰滯後於洪峰的特性進行了剖析，建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程，可以用來查補延長沙峰滯后時間，為下游各站沙峰傳播時間的準確預報提供依據。
  3. Study on improving peak flood forecast accuracy with svm model

    提高支持向量機洪水峰值預報精度研究
  4. Long - term prediction of annual maximum peak discharge at yangtze three gorges based on artificial neural network

    基於人工神經網路的長江三峽年最大洪峰流量長期預報
  5. The probability density function of net rainfall relative errors, flood peak discharge relative errors and the time error of the forecasted flood peak are calculated by the model developed

    通過建立洪水預報誤差分佈的最大摘模型，計算出9座典型水庫洪水預報的凈雨相對誤差、洪峰流量相對誤差和峰現時間預報誤差的概率密度函數，並將其概率密度函數曲線與正態分佈曲線進行比較。
  6. Abstract : some of the present models of forecasting zipingpu ' s flood can t fully discover the information in flood process and others are impractical. so a staistical method, projection pursuit regression is applied in forecasting peak flood and flood process. comparing with other models, the new one gets high precision and is easy to be operated in practice

    文摘:針對現有紫坪埔洪水預報模型或不能充分挖掘樣本信息或不便於實際應用的問題，現用投影尋蹤回歸方法建立了紫坪埔洪水預報模型，分別對洪峰和洪水過程進行了預報，並與其他方法進行了對比，取得了滿意的效果，可以作為紫坪埔洪水預報的新方案。
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