随机

The information prerelease model and the degree of concurrence definition were presented, and the stochastic network planning method was put forward to support concurrent product development. Thus, the corresponding simulation method was proposed.

阐述了并行产品开发过程中的信息预发布模型与并行度定义，提出支持并行产品开发的随机网络计划方法，进一步给出对随机网络计划进行仿真计算的方法。

Similarly, there are simple randomized in-place algorithms for primality testing such as the Miller-Rabin primality test , and there are also simple in-place randomized factoring algorithms such as Pollard's rho algorithm .

类似地，对於质数测试有简单的随机化原地算法像是米勒-拉宾检验，也有简单原地随机化整数分解算法像是 Pollard's rho 算法。

In the proposed formulation, the fluid jump arc of Second order Fluid Stochastic Petri nets, which takes deterministic jump height, is introduced for the sake of modeling impulse rewards. In order to model non-Markovian stochastic systems, the fluid jump arc is combined with the flush-out arc. As a result the fluid jump arc as a modeling primitive has the function of emptying in zero time the existing fluid from the continuous place connected with it.

为方便利用该机制建模冲量回报，引入二阶流体随机 Petri 网中的流体跳跃弧，跳跃弧的跳跃高度取确定值；为方便建模非马尔科夫随机系统，将清空弧与流体跳跃弧结合，使得流体跳跃弧作为建模原语直接具有瞬间内清空与之相联接的连续库所的功能。

The simulation model involves correlative random variables and different kind of probability distribution.

模拟模型考虑了实际存在的非独立随机变量以及不同随机变量的概率分布。

Meanwhile, for the characteristics of plant disease spot, segmentation model was created by utilizing the local correlated characteristic of Markov random field and linear stationary auto-regression model formed by Gauss distribution, and self-adaptive segmentation of plant disease spot was realized through optimizing the model with improved ant colony algorithm and maximum a posteriori probability estimation of Gauss-Markov random field.

同时，利用Markov随机场的局部相关特性并结合Causs分布组成线性平稳自回归模型，针对植物病斑特征建立分割模型。最后，采用改进型蚁群算法对其进行优化，并结合Gauss-Markov随机场最大后验概率估计，实现对植物病斑的自适应分割。

Under the service rule that customers who first come would first get the service, we use the structure analysis method to get the stochastic decomposition of the queue length with the generating function of probability and the steady waiting time with Laplace-stieitjes transforms.

重点分析了带启动期的一般减量服务的单重休假$M/G/1$排队系统的一般结构，利用结构分析的方法，在先来先服务规则下求得稳态队长的随机分解的概率母函数和稳态等待时间的随机分解的$LST$，同时，讨论了系统处于平衡的条件及其概率含义的直观解释，进一步讨论了系统处于休假期、忙期、忙循环等状态时的各项性能指标及系统状态分布。

In this paper a probability guided Random Sample Consensus algorithm is proposed in order to improve the computational efficiency of the traditional Random Sample Consensus.

为了提高随机采样一致性算法的计算效率，提出一种概率引导的随机采样一致性算法。

Comparing to the deterministic case, the base space of RDS is one probability space without any topology, which is one of the essential difficulties from the deterministic case to random case. We conquer the difficulty in this paper.

随机动力系统和确定性动力系统相比，它的底空间是一个没有任何拓扑结构的概率测度空间，这一点恰是从确定性系统到随机动力系统的一个本质困难之一，无论是对有限维的情形还是对无穷维的情形。

In chapter 3, we study the expectation, variance and the *-freeness of normal operators in a W*- probability space, and show the Techebycheff's inequality and law of large numbers of the normal random variables.

第二章主要研究W~*—概率空间上的正常随机变量的期望、方差等性质，证明关于正常随机变量的车贝晓夫不等式及大数定理。

The distributary river course reservoir in the Lower Member of Minghuazhen Formation in an oilfield of Bohai Basin was modeled. The modeling units were divided using the integrated geological modeling method based on seismic, log and geological data. The sedimentary microfacies features of the modeling units were described. The geological knowledge base, including quantitative description of microfacies in every unit, probability function of facies, connection probability of sand body, was established. The geological model of reservoir was proposed on the basis of stochastic reservoir modeling by using an objectbased simulation method.

以渤海某油田新近系明化镇组下段缓坡三角洲平原亚相分流河道储层为例，利用以精细地质建模为目的的地震、测井和地质一体化综合研究方法，合理划分模拟单元并定量描述各单元内沉积微相特征；结合相概率函数和砂体连通概率等定量约束条件，建立了半定量—定量储层地质知识库，实现了等时建模、成因控制相建模、确定性条件约束随机建模三者的有效结合；采用基于目标的随机模拟方法建立了储层地质模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。