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The combined model of neural network and traditional mathematic models is studied in this paper to overcome the problems of calculation of parameter preset values of complex industrial process ,and practical application of this method in process automation of hot rolling is emphatically analyzed and discussed.

针对目前复杂工业过程参数设定值计算模型存在的问题，研究了神经网络与传统数学模型相结合的组合建模方法，重点讨论了该方法在带钢热连轧生产过程参数设定值计算中的实际应用。

The combined model of neural network and traditional mathematic models is studied in this paper to overcome the problems of calculation of parameter preset values of complex industrial process, and practical application of this method in process automation of hot rolling is emphatically analyzed and discussed. According to the running results of a hot strip mill for more than three years, the successful application of neural network created the advantageous condition of improving the product quality and automation level of hot strip mill.

针对目前复杂工业过程参数设定值计算模型存在的问题，研究了神经网络与传统数学模型相结合的组合建模方法，重点讨论了该方法在带钢热连轧生产过程参数设定值计算中的实际应用。3年来的生产实际运行结果表明，神经网络的成功应用为热连轧厂进一步提高产品质量和自动化水平创造了有利的条件。

A mathematic model of reactor, steam generator, pressurizer is developed based on characteristic of PWR coolant system.

本文根据压水堆冷却剂系统的特点，对反应堆、蒸汽发生器、稳压器分别建立各自独立的模型。

A general mathematic model of lifting subsystem and hydraulic balancing subsystem was set up by using correspond relation of the force and the displacement at the interface of lifting and hydraulic system, then the question that the principal diagonal elements of mass matrix were zero is resolved. Meanwhile the effect on the general dynamic characteristic of ellipticity of is considered.

通过卷扬系统与液压系统在界面耦合处的力和位移协调关系，建立诸如M〓+C〓+KX=F形式的机械卷扬-液压均衡系统综合数学模型，模型中考虑了卷筒椭圆度偏差以及直径偏差对整体动态性能的影响，解决了耦合后数学模型质量矩阵主对角线元素奇异的问题。

Based on the theory of physics and material mechanics, this paper analyses the variation principle of the paper ribbon tension between each printing unit; establishes the mathematic model of unwinding, tension variation between each printing unit and the dynamics model of the dancer rollers.

基于无轴试验平台建立了纸卷开卷的数学模型、机组之间张力变化的数学模型以及张力调节辊的动力学模型。

Based on the dependencies between failure sources and available tests at different mode,combined with the prior probability of failure sources,the cost of tests and of mode changing,a mathematic model on this problem is constructed.

基于不同模式下测试与故障之间的依赖关系，结合系统故障的先验概率、可用测试的成本以及不同模式的转换费用，构造了该问题的数学描述模型。

Through the discussion on the calculating methods for failure probability of element section with the influence of one or more human errors ,a mathematic analytical formula under ideal known conditions is deduced.

通过对单个或任意多个人因差错影响下构件截面失效概率计算方法的分析讨论，推导出在理想已知条件下的数学解析求解公式；在考虑人因差错对结构参数影响程度的空间离散化后，得出了相应的简化计算方法；并以一个单筋梁的正截面为例进行了失效概率计算和人因差错影响程度分析。

Make further study of basic principle of ant algorithm, overall analysis and set up mathematic model for it, including transfer probability calculation, time and space complexity, realization problem, advantages and disadvantages and so on.

并从解的质量、时间/空间复杂度、实现难度、算法的优点及不足之处等各项指标对蚁群算法进行全面的分析，并以TSP(Travelling Saler Problem，旅行商问题)为例，介绍了蚁群算法在路径优化问题领域的应用。

On the basis of analyzing pump-jet propulsor, inside flow fields are numerically simulated by using the software FLUENT, on the condition of setting up the physical models and the mathematic models and determining the boundary conditions.

在分析泵喷射推进器的基础上，建立了其数值仿真的物理模型和数学模型，确定了求解的边界条件，利用CFD软件FLUENT对泵喷射推进器的内流场进行了数值仿真。

The steady mathematic model of water source heat pump unit for small house is established,and the characteristics of the unit are simulated.

由于可利用水源的多样性和地源水井的开凿以及地质状况的不确定性，使得水源出水温度各不相同，进而影响到机组型号的选择。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。