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In operations research , a procedure for locating the maximum or minimum of a linear function of variables that are subject to linear constraints

在运筹学中，找出受线性约束的变量的线性函数的最大值或最小值的过程。研究与开发之间相隔的时间。

It is usually required to calculate the mean and the standard deviation of the function of random variables in many engineering problems.

引言在工程实践中，经常会遇到需要计算随机变量函数特征值的问题。

Taking the damping and rigidity of automobile seat and suspension system as design variables, the root mean square value of acceleration seat and relative dynamic loading of tire as objective function, two optimization design models of passive suspension parameters were established according to riding comfortableness and pavement breakage.

以汽车座椅和悬架系统的阻尼与刚度作为设计变量，综合考虑车辆的乘坐舒适性和对路面的损坏性，以座椅加速度均方根值和轮胎相对动载荷均方根值作为目标函数，建立被动悬架参数的两目标优化设计模型。

The commons among those methods is that all of them calculate the mean vector and the covariance matrix of sample then calculate other variables by using them.

这些方法有个共同的地方就是都会计算样本的均值向量和协方差矩阵，并在这两者的基础上计算其他统计量。

The models of each sub variables are established under the individual analysis of the uncertainty caused by the homogeneity of sample, dispersion of measure and the processes such as extraction, purification and instrumental detection etc.

对样品的均匀性、检测分散性及提取、净化、仪器检测等过程引起的不确定度进行了逐层分析，确定了各分量的分布类型，并进行了分步计算和整体合成。

An application of the method to Slurry-Feed Ceramic Melter and industrial fluidized bed reactor for predicting quality variables is presented to show the effectiveness.

完成了对仿真过程和工业流化床聚乙烯生产过程质量指标软测量应用分析。

Retrieves variables and variable arrays saved in a variable file or a memo field and places them into memory.

restore from 命令示例请参阅恢复保存在内存变量文件或备注字段中的内存变量和内存变量数组，并把它们放回到内存中。

MEMO MemoFieldName Specifies the memo field from which variables and arrays are restored.

MEM.MEMO MemoFieldName指定保存内存变量和内存变量数组的备注字段。

In Japanese rural districts postmenopausal (6 months or longer since last mense) women were followed for 4 years in order to identify variables associated with bone loss and propose nursing prevention guidelines for osteoporosis which should be based on life-style characteristics.

为了检测妇女绝经后发生骨量减少的相关指标进而倡导依据生活方式的特点对绝经后妇女骨质疏松的发生采取相应的预防和护理方针，我们对日本乡村的绝经后妇女（末次月经后六个月或更长时间算起）进行了为期4a的随访。

The pressure distributions and meridional velocity distributions of two impellers designed with different design variables were ana...

研究表明：轴面流道形状和叶轮包角影响叶轮内部压力场和速度场的均匀性，导致两个叶轮的水力效率值存在约2%的差别。

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。