例句與用法

1. based on the observed runoff data, more accurate designed flow to a culvert or a small bridge may be obtained by curve fitting on frequency curve of pearson type iii distribution
   精度較高的橋涵水文設(shè)計(jì)是基于所在地實(shí)測的徑流資料，采用頻率曲線的適線法獲得。
2. under consideration of the observed precipitation sequence containing much important infomation such as the temporal and regional characteristic of precipitation, this paper deals with statistical characteristic of the annual precipitation probabilistic process using the stochastical analysis theories, some methods and the technique of computer numerical simulation . and then two stochastic models of the annual precipitation sequence and monthly precipitation sequence are proposed for the practical use . they are the first order autoregressive model and the seasonal first order autoregressive model with pearson type iii distribution
   考慮到實(shí)測降雨序列本身就包含有降雨的地區(qū)特性、連續(xù)時(shí)段雨量的變化特性等重要信息，本文以隨機(jī)分析原理和方法以及計(jì)算機(jī)數(shù)值模擬為基礎(chǔ)，對年降雨過程進(jìn)行統(tǒng)計(jì)特性分析，從而建立面向?qū)嵱眯缘膒?型分布ar(1)模型和季節(jié)性ar(1)模型，并做了多方面檢驗(yàn)。