多变量的

We also give the theoretical error result of antithetic variable Monte Carlo method for multi-variable functions whose degree is no more than two.

对次数不高于2的多变量函数，AMC方法其误差阶是O，但其系数比原始蒙特卡罗积分方法的误差阶的系数小。

Good dynamic response performance of both command tracking and disturbance rejection characteristics can be achieved simultaneously.The simulation results are given to demonstrate the effectiveness of the controller.

经过多年的发展，IM C方法的应用已经从线性系统扩展到了非线性和多变量系统，并产生了多种设计方法，如零极点对消法，预测控制法，针对P ID控制器设计的方法等。

This paper analyses conventional control systems of deaerator's and condenser's level s, and furthermore points out the system drawbacks which cause these control systems difficult to be put in automation.

对国内125MW和200MW火电机组除氧器和凝汽器水位控制系统进行分析，指出了难于投入的原因。并采用模糊控制技术对除氧器和凝汽器水位进行多变量控制，仿真结果表明本文所提出的模糊控制方法是十分有效的

In order to eliminates the influence of the interaction of structures, realizes the most optimized control of system, minish error of the structural pseudodynamic test, the paper achieve decoupling controlling of multivariable electro-hydraulic servo system by adopting the method of diagonal matrix based on the sutra control theory.

为了消除结构耦合的影响，实现对系统的最优化控制，减小结构拟动力试验误差，本文以经典控制理论为基础，采用对角矩阵法来实现多变量伺服系统的解耦控制。

A multivariable equality constraint condition is hidden in switching functions through different equivalent transformations.

通过将一个由设备状态信息确定的多变量等式约束条件，经不同的等价变换，隐含于开关函数中，建立一个新的故障诊断数学模型。

Section 4 is followed by Section 5, which discusses the influence of the measurement errors of multidimensional covariates on estimation of the population-averaged treatment effects under exchangeability assumptions.

第五节继续第四节的工作，在可交换条件下讨论多维协变量的测量误差对平均处理效应估计的影响。

Taking generalized coordinates for variables, the differential equations of multiple elastic particles are decomposed into the differential equations in the independent form by introducing generalized coordinates .

通过广义坐标的引入，将多质点弹性体系的运动微分方程分解成以广义坐标为变量的独立微分方程形式。

According to multivariable,nonlinear and strongcoupling inverted pendulum system,a mathematical model for the pendulum is set up by using the Newton-Euler method.

0引言倒立摆系统是一个非线性、强耦合、多变量和自然不稳定的系统，倒立摆系统通常用来检验控制策略的效果，是控制理论研究中较为理想的实验装置。

METHODS: Both diastolic and systolic blood pressures repeated measures data, collected from 120 drug abusers after taking two kinds of medicine (Drug A: Xiaoyinfuzheng, Drug B: Kelening), were analyzed by multivariate random coefficients model. The fixed effect parameters matrix x of model coefficients were estimated by using least squares estimation method, the effects between treatment groups were compared and the variancecovariance matrices of random effect were also estimated.

对两种药物（A药：消瘾扶正胶囊，B药：可乐宁）治疗120例患者后的舒张压和收缩压重复观测数据进行多变量随机系数模型分析，对模型系数的固定效应参数矩阵ξ作最小二乘估计并进行组间比较，同时估计随机效应的方差协方差矩阵，分析方法用SAS/IML软件编程得以实现。

METHODS: Both diastolic and systolic blood pressures repeated measures data, collected from 120 drug abusers after taking two kinds of medicine (Drug A: Xiaoyinfuzheng, Drug B: Kelening), were analyzed by multivariate random coefficients model. The fixed effect parameters matrix x of model coefficients were estimated by using least squares estimation method, thelunwen114 effects between treatment groups were compared and the variancecovariance matrices of random effect were also estimated. Related analysis methods were programmed with SAS/IML code.

对两种药物（A药：消瘾扶正胶囊，B药：可乐宁）治疗120例患者后的舒张压和收缩压重复观测数据进行多变量随机系数模型分析，对模型系数的固定效应参数矩阵ξ作最小二乘估计并进行组间比较，同时估计随机效应的方差协方差矩阵，分析方法用SAS/IML软件编程得以实现。

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。