at random 任意,随便; 任意地,随机地; 随便地,任意地; 随机的,任意的; 随机地,任意地; 随意地,任意地; 随意地,随机地
random n. 〔罕用语〕胡乱行为,偶然的[随便的]行动[过程]。 adj. 1.任意的,胡乱的,随便的;(话等)信口乱说的;(人等)偶然碰到的。 2.随机的;【物理学】无规则的;(石工)(大小)不齐的。 a random guess 瞎猜。 a random shot 乱射(的子弹);流弹。 at random 碰运气地;无目标地,漫无目的地。 n. -icity 随机性,无规性。
model n. 1.模型,雏型;原型;设计图;模范;(画家、雕刻家的)模特儿;样板。 2.典型,模范。 3.(女服装店雇用的)时装模特儿。 4.样式,型。 5.〔口语〕极相似的人[东西]。 adj. 模型的,模范的。 a clay model 【雕刻】黏土原型。 a working model 机器的运转模型。 a model shot 【摄影】模型镜头。 a model aeroplane 模型飞机。 a model test 典型试验。 The boy is the perfect model of his father. 这孩子活像他父亲。 after [on] the model of 仿效…,拿…当做模范。 stand model 做模特儿。(〔英国〕 -ll-) vt. 1.作…的模型[雏型]。 2.(依照模型)制作,仿造,建造 (after;on;upon)。 3.设计,仿照,拿…做模范。 vi. 做模型;做模特儿。 delicately modeled features 清秀的面貌。 model a garden after the manner of Kew 仿照(伦敦) Kew 植物园设计的花园。 model oneself up (on) sb.仿效某人。
Random model of fatigue multi - crack propagation 疲劳多裂纹扩展随机模型
Method of using the random model to predict dynamic changes of phreatic level 随机模型预测潜水位动态变化的方法
To construct a random model of prediction on stock market and analysis on stock price 预测股市分析股价的随机过程模型的建构
Construct and estimate the random model about the longtitudinal data under competing risks 竞争风险下纵列数据的随机效应建模和估计
In this paper , a random model based decision tree algorithm was applied , and an intrusion detection model based on it was provided 采用了一种基于随机模型的决策树算法,在保证分类准确率的基础上,减少了对系统资源的占用,并设计了基于此算法的分布式入侵检测模型。
According to the situation in china , it proposes a frame of decided modelling with comprehensive analysis based on dense pattern data , and discusses the development direction of reservoir random modelling 同时结合我国实际情况讨论提出了以密井网资料为基础采用综合分析进行确定性建模的框架,探讨了储层随机建模的发展方向。
3 . the random theory is applied to the thermal shock model in the first time . the lumped parameter system and the plane wall random model have been established and the simulated results are also have been got 其原理完全适用于计算3维有限元活塞随机温度或采用其它数值方法(差分法、离散化法、边界元法、 … … )计算随机温度场。
Abstract : this paper introduces the types , studying content , modelling steps and modelling methods of reservoir geologic models , especially the significance of random modelling and some main methods of random modelling 文摘:概述了储层地质模型的类型、研究内容、建模步骤和建模方法,重点介绍了储层随机建模的意义和目前出现的主要随机建模方法。
Based on life insurance and annuity insurance , some random models are set as a new risk management tool for institution deeling , product design , premium calculation and reserve calculation in this paper 本文以人寿保险和年金保险为背景,提出若干随机模型,为寿险公司和社会保险管理部门进行制度安排、险种设计、保费计算、准备金计提等提供新的风险管理工具。
In this paper , it first summarized the basic theory of random network , and then used the gert network random model into civil engineering construction , with an example of swim - hall ' s roof mesh shelf construction , it illustrated the method and progress that the model set up and resolved . at last it draws this article ' s conclusion and gives out the effect that the model applied on the roof 本文系统的总结了的理论基础,并将网络随机模型引入并应用到土木工程施工建设中,结合某游泳馆屋盖网架系统施工具体实例阐述了gert模型建立及求解的过程与方法,最后给出了该例的应用效果及本文结论。