An anatomization on the relative analyzed results is also provided. It is found that the modeling results fit the water monitoring results well with efficiency value greater than 90% and multi-year average relative error value of 3.6%. The case study indicates that the runoff-evaporation hydrological model w...

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Based on the wavelet, gray box and autoregression theory, create a time series model to simulate and predict runoff.

依據(jù)灰色系統(tǒng)、小波變換和自回歸理論国产狼友，建立了黑河干流出山徑流的時(shí)間序列分解模型。

The area around the distribution point should be paved with stones or gravel or protected by boards, with a runoff to allow proper drainage.

取水點(diǎn)周圍的地區(qū)都應(yīng)該鋪上石子或者沙礫或者木板激情亚洲AV无码日韩色，并且附帶一個(gè)合理的排水裝置国产精品香蕉AV。

To evaluate the potential of water transfer of the Eastern Route of the South-to-North Water Transfer Project,several methods of calculating joint probability for bivariate P—Ⅲ distribution were applied to analyze plentiful or scanty runoff encountering,and compared with the conventional method.

為計(jì)算南水北調(diào)東線工程優(yōu)勢(shì)調(diào)水頻率，選用國(guó)內(nèi)外常用的二維P—Ⅲ分布的計(jì)算方法進(jìn)行南水北調(diào)年徑流豐枯遭遇分析久久精品久久久久久久久，并與傳統(tǒng)的基于頻率的分析方法結(jié)果做了比較精品久久99国产精品。

To evaluate the potential of water transfer of the Eastern Route of the South North Water Transfer Project, several methods of calculating joint probability for bivariate P-Ⅲ distribution were applied to analyze plentiful or scanty runoff encountering, and compared with the conventional method.

為計(jì)算南水北調(diào)東線工程優(yōu)勢(shì)調(diào)水頻率，選用國(guó)內(nèi)外常用的二維P-Ⅲ分布的計(jì)算方法進(jìn)行南水北調(diào)年徑流豐枯遭遇分析国产区在线，并與傳統(tǒng)的基于頻率的分析方法結(jié)果做了比較久久久久久黃色網站。

Based on the data in 1996-2006 in Zhangjiakou region, the change trends of the temperature, precipitation, runoff depth and burying depth of the ground water were statistically analyzed.

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This model rank the runoffs firstly and is based on two runoff taxonomies: the fuzzy C mean and the self-organization mapping. However, when the samples on the border of two sorts choose the local neural network models, they tend to make mistakes.

針對(duì)分類過(guò)程中一些類與類之間的邊緣樣本在選擇局部神經(jīng)網(wǎng)絡(luò)模型時(shí)出現(xiàn)的誤判問(wèn)題国产精品亚洲一区二区动漫，在上面已經(jīng)建立的模型的基礎(chǔ)上免费A片大片aⅴ免费，建立了加入專家經(jīng)驗(yàn)的模糊邏輯選擇模型。

Based on hydrogeology in Shenyang area, this essay has made study on exploring underground reservoir in rain season besides making full use of river runoff, taking surface water back to underground, and establishing canal surface water and groundwater united exploring mathematics model, working out canal and well optimal plan.

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September to December in the catchment area did not result in surface runoff.

集水區(qū)在9-12月未產(chǎn)生地表徑流久久99视频。

The model is used to analyze and predict runoff changes caused by clear-cutting or afforestation.

計(jì)算結(jié)果表明：皆伐使徑流量和洪蜂增大一级A片免费播放在线观看，造林使之減小，而當(dāng)雨量非常大時(shí)www.91九色，這些效應(yīng)幾乎不存在免费无遮挡无码永久真人视频观看。