splitting short exact sequence

In the paper we give solid commulative diagram of short exact sequences induced by product αβγof morphisms.

本文给出了Ａｂｅｌ范畴中态射乘积αβγ诱导的短正合列的立体交换图。

In this paper, we study modules and short exact sequences over two kinds of 2×2 matrix rings.

文章讨论了两类二阶矩阵环上的模及其短正合列,得到环R上的短正合列在两类矩阵环的自然推广形式。

However the time sequence of automatic stations is short, this paper discusses the short sequence revising method of wind speed and wind energy density by using the hourly wind .

但自动站风速时间序列较短,前人在对温度、降水等气象要素的短期观测资料方面已取得一定进展,本研究在此基础上探讨了风能参数的短序列订正方法。

In this paper, exact sequence of lattice-group was introduced, and some properties of this construction was studied.

本文将介绍格群中的正合序列概念，并研究这种结构的一些性

Finally,we complete an exact sequence from idea P and H.

最后,我们从P和H出发,构造出一个正合序列。

The author shows the existence of enveloping von Neumann algebra and a exact sequence for enveloping von Neumann algebras.

用vonNeumann代数定义了对合运算连续的Banach*－algebra的表示，证明了包络vonNeumann代数的存在性；最后，给出了包络vonNeumann代数的正合序列。

We have a discussion of how they behave for exact sequences.

我们讨论了它们在正合序列中的动态。

Asymptotic Distribution of the Product of Strong Mixing Sums

强混合序列部分和乘积的渐近正态性

On the Smarandache Combinatorial Sequences;

关于Smarandache组合序列

C. My brother's birthday is in June.

三、听录音，排列正确顺序。

Research on Complete Complementary Sequence and Moudulation and Simulation Methods of Polyphase Orthogonal Sequence;

完全互补序列及多相正交序列调制仿真的研究

The Research of Multiphase Orthogonal Sequence and Complete Complementary Sequence;

多相正交序列的相关性及完全互补序列的研究

The Almost Sure Convergence of NA Sequence and (?)-mixing Sequence;

一类NA序列、（？）混合序列的几乎必然收敛性

The driver software you are installing for:

正在为下列设备安装的驱动程序软件:

A sequence of instructions that cannot be executed during normal processing.

正常处理过程中不执行的指令序列。

The corrective action procedure incorporates the following elements:

纠正措施程序包括了下列要素:

Listen and put the pictures in the right order.

听一听，把图片按正确的顺序排列。

Listen and number the pictures in the correct order.

听一听，把图片按照正确的顺序排列。

It is just the sequential form of the existence of least upper bounds.

这正好是上确界存在性的序列形式。

The Research on Positive Definite Property of B_κ in Sequential Quadratic Programming;

序列二次规划中B_κ的正定性研究

The Degree of Approximation by the Sequence of Positive Linear Operators in Orlicz Spaces;

线性正算子序列在Orlicz空间的逼近阶

Regularized time series AR model and its application

时间序列AR模型的正则化及其应用

An Extension of Vector Sequence's B-orthogonality in Banach Space

Banach空间向量序列B-正交及推广

A Sequence Indexing Method Based on Regular Expression

基于正则表达式的生物序列检索方法