查询词典 stochastic

In order to reveal how annuals adapt to stochastic fluctuation environment of dune stabilization plantation area at Shapotou, we took Eragrostis poaaeoides as case study on seed germination, population dynamics, population spatial distribution pattern and competition adjustment.

本文以小画眉草为例，从种子萌发、种群动态、种群空间分布格局和竞争调节等方面研究了一年生植物对随机环境的适应对策。

In this paper,convolution method is used to calculate the sum of sev- eral Stochastic tolerances with uniform distribution .

采用卷积算法对均匀分布的随机变量进行求和，与Monte-Carlo法和矩法相比，该方法具有较快的速度和较高的精度。

Fractal theory is a new theoretical non-linear tool to study complicate phenomena in nature, and has a powerful function in describing and evaluating the phenomena with continuous in scale, stochastic in distribute or erose in shape.

分形理论作为研究自然界复杂现象的非线性理论新工具，在描述评价具有层次连续性、随机性或不规则性等特征的对象方面，具有很强的功能。

The more elementary book of Filar and Vrieze provides a unified rigorous treatment of the theories of Markov Decision Processes and two-person stochastic games.

Filar和Vrieze所著的书更为基础，在书中给出了严密的关于马尔可夫决策过程和双人随机博弈的标准处理方法。

In addition, this paper studied using the stochastic fractural theory to simulte the form of fracture, and thought that it is correct to describe fracture by the fractural characteristics of fracture grid.

详细讨论了建立在渗流力学理论基础上的两种网格粗化技术，实现了油藏地质模型与油藏数值模拟的接轨。

According to the functional models and stochastic models of GPS/DR, the paper presents three adaptive fusion methods based on currently statistic models, testifies the validity of fusional methods by practically surveying data and resolves adaptive problem owing to the lack of observational information.

根据GPS/DR的函数模型和随机模型，结合当前统计模型，提出了三种白适应融合方法。通过实测数据验证了本文提出的融合方法的正确性。

The Data Mining extracts knowledge that is not understood beforehand, but is useful to people from dataset which is massive, not incomplete, noise fuzzily, and stochastic.

数据挖掘就是从大量的、不完全的、有噪音的、模糊的、随机的数据中，提取隐含在其中的、人们事先不知道的、但又是潜在有用的信息和知识的过程。

Methods:Eighty-three patients with galactophore cancer were stochastic divides into observation group and contrast group.

83例乳腺癌患者，随机分成观察组和对照组。

Methods:Eightythree patients with galactophore cancer were stochastic divides into observation group and contrast group.

83 例乳腺癌患者，随机分成观察组和对照组。观察组43 例，接受以ADM为主的CAF方案(环磷酰胺＋阿霉素＋氟尿嘧啶)。

Consider two species from the genera Brassica and the genera Gossypium, respectively. We use a simulation method to study the stochastic model for modelling the competition between hybrid population and wild relative population in a natural environment.

考虑两个分别来自芸薹属和棉属的物种，用电脑模拟的方法去探讨随机式模型，即在自然环境之下杂交种与野生亲缘种之间的竞争。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了