参数变量

In the text, major stochastic variable s such as f ,c and a and the upstream and downstream water levels that influence the dependability in analysis are discussed.

讨论了影响可靠度分析的主要随机变量如f＇、C＇、α及坝上下游水位等，并给出了《水工统标》的统计参数。

Suppose that the local source of traffic demand of the intersection is a stochastic variable of known parameter. An optimal control assignment model of the link of the dynamical transportation network flows of stochastic system is founded. Allowing for the construct of the model, based on the objective function of the link is transformed to based on the objective function of the intersection in order to solve it.

假设交叉点的局外入流是某已知参数的随机变量的情况下，建立了目标函数基于路段的随机系统最优的动态交通网络流分配的最优控制模型，充分分析该模型的结构，将该模型的目标函数转化为基于交叉点的目标函数，以便于求解该问题。

In this paper,the sum of products equality is proved,and the density function of the linear combination of tow-parameters exponential random variable s is presented.

证明了一个关于积和的等式，并由此推导出双参数指数型随机变量的线性组合的概率分布密度函数

The initial value susceptivity and the longest forecastble time, the least number of independent variable , the chaos degree and the average forecastable time of the system have been calculated.

并从混沌学的角度讨论了煤自然氧化时间序列的混沌特性、系统独立变量的最小数目以及系统的混沌度等混沌动力学参数。

Lumped parameter system; system with concentrated parameters

系统变量和参数与空间位置无关，系统方程常为常微分方程。

Then by means of Taylor series expansion and interval calculation,we can obtain the interval ranges of stress intensity factors.

该方法以区间数学为基础，将不确定参数描述为区间变量；再利用Taylor 级数展开通过区间运算得到应力强度因子的区间范围，从而为工程设计提供可信的数据。

Of the TEG variables, maximum amplitude seems to be the best parameter to identify hypercoagulable states and to predict thromboembolic events.

在TEG的各变量中，最大振幅可以作为鉴别血液高凝状态和预测血栓栓塞发生的最好参数。

Third, applied the variational function to the analysis of the reservoir property variety predication in three dimension, and the last, It is valuable and useful for low permeability gas field development to use the Darcy law and the permeability tensor analysis to describe the Permeability anisotropy.

本文对储层的宏观及微观非均质性统计分析的研究成果，特别是首次应用地质统计学的实验变差函数，量化分析储层属性变量的空间变异性，为储层参数

A novel estimation model of biochemical process has been presented based on TSK fuzzy system .

提出了一种利用TSK(Takagi-Sugeno-Kang)模糊系统建立生化变量预估模型的方法，用于生化过程的工艺参数预测。

A new fuzzy control strategy was presented for the temperature in the tunnel kiln based on adaptive particle swarm optimization algorithms.

针对隧道窑燃烧过程中的大惯性、纯滞后、多变量、时变参数以及工作机理复杂等特征，利用清晰集构造模糊集法确定模糊控制器输入量和输出量的隶属函数，并基于自适应粒子群算法给出了隧道窑新的温度模糊控制策略。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。