| 1. | Long - term prediction of annual maximum peak discharge at yangtze three gorges based on artificial neural network
基于人工神经网络的长江三峡年最大洪峰流量长期预报 |
| 2. | And a scaling lognormal model of flood volume is introduced to represent the affection of temporal scale of duration in annual maximum flood volume distributions
并提出了洪水洪量的对数正态分布模型来表征年最大洪量分布中历时的尺度影响。 |
| 3. | This paper presents a new model to predict the annual maximum ice - thickness by means of combining levenberg - marquardt neural network ( nn ) with time serial method
本文将l - m神经网络与时序分析方法相结合提出一种新的模型，用于年极值冰厚预测。 |
| 4. | To provide for deductions in respect of contributions to a recognized retirement scheme , subject to an annual maximum of $ 12 , 000 ( not yet effective ) ; and
加入向认可退休计划支付的供款的扣除，每年的扣除额以12 , 000元为上限(条文尚未生效) ；以及 |
| 5. | And a scaling lognomial model of rainfall intensity is introduced to represent the affection of temporal scale of duration in annual maximum rainfall intensity distributions
另外，本文提出了暴雨强度的对数正态分布模型来表征年最大暴雨强度分布中历时的尺度影响。 |
| 6. | The scaling hypotheses is applied to the relationship of annual maximum rainfall intensity and duration . the rainfall intensity - duration - frequency form is proved based on the temporal scaling property of rainfall
由年最大平均暴雨强度随历时变化的标度性质推导出暴雨公式的形式，找到了暴雨公式的理论根基? ?暴雨在时间上分配具有自相似性的结果。 |
| 7. | In july , although the moisture transport from tropical indian ocean reaches its annual maximum to shandong , its contribution to summer rainfall over shandong during july and august is undistinguished . on the other hand , the contribution from sub - tropical west pacific is evident
7月虽然来自热带印度洋季风区的水汽输送通量达到最大值，但7 8月它们对山东夏季降水异常的贡献并不显著，相反来自南海-西太平洋、中国大陆-日本海的水汽输送以及西风带天气系统对山东夏季降水异常的贡献较显著。 |
| 8. | In this paper , a set of medium - and - long - range hydrologic forecast models were established for predicting water regime in shanghai , including three hydrological series , annual rainfall and rainfall during flood season for one representative station and annual maximum water tide level at huang - pu park . the prediction models includes two parts . one is quantitative ones which are mainly studied in the paper , including ar ( p ) , gm ( l , l ) , modified gm ( 1 , 1 ) and threshold ar modeling ; the other is markov chain qualitative modeling
研究分两个方面，一是定量预测，是本论文的主要研究内容，共建立了四个预测模型，分别是ar ( p )模型、 gm ( 1 ， 1 )模型、改进gm ( 1 ， 1 )模型及tar模型；其二是建立了马尔柯夫定性预测模型，给出分级预测结果。 |
| 9. | The model combines simulation method and optimization method to regional water supply and utility system , analyzing long series water supply and demand system with the object of the annual maximum water supply , counting water shortage capacity and its distributing probability , describing water shortage risk with risk character indexes . 4 . when the water shortage risk is calculated , the input and output macro - economic model of water resource is employed to evaluate economic losses due to water shortage
该模型综合模拟方法和优化方法的优点，在对区域供用水系统进行模拟的同时，采用年最大供水量为目标函数对水资源系统进行长系列的供需分析，然后统计区域水资源系统的缺水量及其概率分布，同时用水资源系统的风险性能指标对水资源短缺风险进行描述。 |
| 10. | So a new method ? scale analysis method ( or called fractal analysis method ) is applied to study the flood of jialing river basin . the scaling hypotheses is applied to the relationship of annual maximum flood and drainage area . and basing on the scaling lognormal model with two parameters introduced by smith , a lognormal model with three parameters of flood is introduced to represent the scale effect of drainage area in annual flood peak distributions
在洪水区域分析中一般采用洪水指标法，但该法的基本假定与实际情况存在矛盾，因此本文采用一种新的分析方法? ?标度分析法(或称为分形分析法)来研究洪峰的区域变化，将标度不变性引入年最大洪峰流量? ?汇流面积关系中，并将其用于嘉陵江流域的洪水，另外，本文在smith提出的具有标度性质的二参数对数正态分布模型基础上创造性地提出了三参数对数正态分布模型来表征年最大洪峰流量分布中汇流面积的尺度影响。 |
