协和

The company produced x87 floating point coprocessor and graphics accelerator chips for the personal computer market during the late 1980s and early 1990s.

该公司生产的x87浮点运算的协处理器和图形加速器芯片的个人电脑市场在1980年代后期和90年代初。

The distribution of the electromagnetic field of an uniformly moving electric dipole is calculated by analyzing the electromagnetic potential of the electric dipole and making use of the covariability of electromagnetic field in different inertial frame under the theory of relativity.

本文通过对电偶极子电磁势的分析和相对论下电磁场在不同惯性系中的协变分布，计算了作匀速直线运动的电偶极子的电场和磁场的空间分布

The interrelations between the regional economic growth and savings are analyzed by using Johansen cointegration test and Granger causality test based on error correction model.

采用Johansen协整检验和误差修正的 Granger因果检验的实证研究方法，对改革开放以来的东部、中部和西部地区的区域经济增长与储蓄之间的影响关系进行了分析。

The result of Johansen co-integration tests prove that exists.

最后我们还采用Johansen协整检验和向量误差修正模型来研究股票价格和会计盈余变量之间是否存在长期的均衡。

Kosmos {kos'-mos} probably from the base of 2865; TDNT - 3:868,459; n m AV - world 186, adorning 1; 187 1 an apt and harmonious arrangement or constitution, order, government 2 ornament, decoration, adornment, i.e.

相关经文回前一页 2889 kosmos {kos'-mos}可能源自 2865 的基本部分； TDNT - 3：868，459；阳性名词钦定本- world 186， adorning 1； 187 1 一种恰当和和协的安排或组合，秩序，体制。

Taking mapping QTL that affect leaf age growth trajectories in rice of a DH population as an example, we used 3 biological meaningful submodels and 2 orders Legendre polynomial to model the mean vector of QTL genotypes and 11 stationary and non-stationary models to fit residual covariance matrix.

以水稻一个DH群体的叶龄性状为例，我们分别用3个具有生物学意义的子模型和2阶Legendre多项式去拟合QTL基因型的均方向量，用13个平稳和非平稳模型去描述剩余协方差的变化。

Chapter three (the methods of generating chaotic signal and its applications): In this chapter firstly the mechanism that a simple kinetic system, subsection linear map system, can generate chaotic phenomena is affirmed, the characteristics of correlation function of the chaotic signal generated by this system are simulated, on this basis a simple applicable method for generating chaotic signal is given; secondly some typical circuits generating chaotic signal are designed, also use operational amplifier to design a third -order autonomous circuit with chaotic dynamics. The basic mechanism and typical structures of chaos in the application of communication are introduced systematically and a simple method is provided for generating pseudo random code signal; At last Chaotic signal is applied into the analysis of system characteristic.

第三章(混沌信号产生方法及其应用)首先针对一类简单动力学系统——分段线性映射系统能够产生混沌现象的机理及由该系统所产生的混沌信号的自协方差函数特点进行了证明和计算机仿真，提出了软件产生混沌信号的一种实用方法；其次分析讨论了几种能够产生混沌信号的典型混沌电路，提出了用运算放大器与阻容元件实现三阶自治混沌电路的基本原理；概述了混沌在通信领域中应用的基本原理和典型结构，提出了产生伪随机码信号的一种简单方法；最后将混沌信号用于系统的特性分析中。

This dissertation focus on the study of the most popular FAST-MCD method which is improved by concentrating on its shortcoming, constructs robust mean vector and robust covariance matrix which is applied in Principal component analysis method and Factor analysis.

本文还著重地对现时最流行的FAST-MCD方法的算法进行研究，构造了稳健的均值向量和稳健的协方差矩阵，应用到主成分分析和因子分析中，并针对其不足之处提出改进方法。

Multivariate analysis of variance, covariance, and regression.

检验和置信区间，多元方差分析，协方差和回归。

The sample proportion has mean and variance and (3.7) In Section 14.1.4 we show that for , and have covariance (3.8) The sample proportions have a large-sample multivariate normal distribution.

样品比例有手段和变化并且(3.7)在部分14.1.4 我们显示那为，和有协变性(3.8)样品比例有大样品多维分布的正常分配。

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。