乘

We make the following assumption for When 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of Least squares estimate have been discussed in many documents. Considered 2 is nonnegative definite matrix, this thesis derives Best linear unbiased Estimate of parameter matrix B and estimable parameter function KBL under the meaning of matrix nonnegative definite and the property of maximum probability of BLUE is investigated.

当∑＞0时，众多文献讨论了回归系数阵的各种估计及LSE的有效性，本文考虑了当∑≥0的情形，给出了回归系数阵B及其可估参数函数KBL的在矩阵非负定意义下的最优估计，研究了它的一个最大概率性质，并且讨论了最小二乘估计成为最佳线性无偏估计的充分必要条件，在此基础上给出了均值矩阵的最小二乘估计与BLUE的偏差估计，定义了LSE相对于BLUE的一个相对效率，并给出了它的界。

The factorial of a number is defined as the product of all values from one to that number.

阶乘。 一个数的阶乘被定义为从 1 到该数字所有数字的乘积。

This procedure for factorial figure about the algorithm, it can not even enter the figures for multiplication.

详细说明：本程序为关于数字阶乘的算法，它可以对输入的数字进行连乘运算。

Rar can help factorial number of recursive algorithm is based on the learning algorithm design and

n的阶乘。rar 可以求数的阶乘是以递归算法为基础的对学习算法设计与

I don't know whether to fly to Shanghai or go by train.

我不知道应该乘飞机去上海还是乘火车去。

A: I don't know whether to fly to Shanghai or go by train.

我不知道应该乘飞机去上海还是乘火车去。

I dont know whether to fly to Shanghai or go by train.

我不知道应该乘飞机去上海还是乘火车去。

Dialogue A : A: I don't know whether to fly to Shanghai or go by train.

我不知道应该乘飞机去上海还是乘火车去。

On the basis of the waverider configuration generated from the cone flow, the optimization design is conducted on the waverider forebody and the ramjet inlet.

在以圆锥流场生成乘波体外形基础上，对乘波体前体和冲压发动机进气道进行了优化设计。

CDV is an abbreviation of Car Derived Van with the characteristic of comfort because of the car platform, safety equals to PV because of the front-engine front-drive of engine, the changeable seats design which made the inner spaced efficiently utilized and the lower floor that easy for goods loading.

CDV是Car Derived Van的英文缩写，国际通行的解释是"从轿车平台延伸出来的厢式车"。其特点是，采用轿车平台，确保驾乘舒适；发动机前置前驱，安全系数与乘用车同等水平；座椅设计变化多样，兼顾车内空间有效利用；较低的底板设计便于货物装卸。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。