多变量的

This thesis tried to connect the dynamic factor of the propeller hydro-oscillation force and the lubricative state of it to analyze and calculate the lubricative characteristics of it with many variables, and them to explore a feasible way for the lubricative characteristics calculation of it, reckoning the propeller hydro-oscillation force in and put up a flat roof for reckoning all dynamic factor in future.

本论文力图将螺旋桨流体激振力这项动态因素和船舶尾管轴承的润滑状态结合起来，进行多项变量的润滑特性的分析和计算，为计入螺旋桨流体激振力的船尾轴承润滑特性计算探索出了一条可行的方法，并为将来全面计入各种动态因素建立平台。

Additionally, heterosis from cross breeding was analyzed and discussed. The major results and conclusions are presented as follows:1 Variances of shell shape and phenotypic traits among different stocks or populations of Meretrix clam1.1 The shell shapes of seven natural stocks(L、S、J、Z、F、G、W)and one cultured stocksshowed certain differences as well as similarities.

主要结果和结论如下：1文蛤不同群体的形态和性状的变异规律1.1文蛤不同群体的形态变异特征利用多变量形态度量学方法，对文蛤的辽宁、山东、江苏、浙江、福建、广西、白壳等7个自然群体和1个浙江养殖群体的形态变异进行研究。

The formulation uses private income as the key linking variable while the multisector interp...

将私人收入作为主要的链接变量，根据多部门的实际收入的变化来确定私人收入的变化。

MethodsBy means of orthogonally rotational combination design, microwave extraction mathematical simulation model was concluded by the linear regression analysis.

响应面法是采用多元二次回归方程来拟合因素与响应值之间的函数关系，通过对函数响应面和等高线的分析，能够精确地研究各因子与响应值之间的关系，寻求最优工艺参数，解决多变量问题的一种统计方法［3］。

A method of computing degree of controllability of control system and normalizing the state space is presented.

这一工作为判断作动器配置方案的优劣提供了可靠的依据。4）总结了近几年学术界提出的多变量系统鲁棒控制的一些重要结果和方法。

Ball mill coal pulverized system is a multivariable coupled nonlinear time-varying system which is extensively applied in coal fired power plants and is difficult to be controlled by conventional PID regulating algorithm.

广泛应用于火电厂的钢球磨煤机中间储仓式制粉系统（以下简称球磨机制粉系统或BMPS系统）是一典型的多变量非线性时变系统，各控制量和被控制量之间存在着相当严重的耦合，这些因素使得基基于常规PID方法设计的控制方案多年来几乎没有一套能够长期运行。

In this paper, a simulation system for intelligent decoupling control of coal-pulverizing systems with ball mill is developed, which integrates the simulation model and the multivariable intelligent decoupling control technology of the coal-pulverizing systems wi...

该软件集成了钢球磨中储式制粉系统的仿真模型以及针对钢球磨中储式制粉系统而设计的多变量智能解耦控制技术，为钢球磨中储式制粉系统自动控制问题的深入研究提供了有力的实验工具。

The shape control system of Universal Crown rolling mill has the characteristics of inertia and lag, and the mathematical model of its bending intermediate rolls system has strong time-variant property and uncertainty.

UC 轧机的板形控制系统是一个多变量、强耦合的控制系统，具有惯性及滞后的特点，其中间辊弯辊控制回路的数学模型具有很强的时变性和不确定性。

How to determine the best manipulative input-controlled output pairings is an important part of multivariable control.

如何衡量一个操作量对一个被控量的影响程度以及是否存在一个最佳的操作量与被控量的配对关系是多变量控制的一个重要内容。

Based on the advantages of simple construction and good property in PID and self-regulation and adaptivity of neural networks, a multivariable adaptive neural network controller with PID structure is created.

基于PID的简单结构和良好性能优势以及神经网络的自调节和自适应的特长，创建一种具有PID结构的多变量自适应的PID型神经网络控制器。

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。