1.
Using Program to Realize the Construction of 4n - order Symmetrical Exchange Magic Square;
用程序实现4n阶对称交换幻方的构造
2.
Investigation on High Temperature Aging Characteristics of 21-4N and 21-4N (Nb, V) Heat-Resistant Steel;
21-4N及21-4N（Nb，V）耐热钢高温时效特性研究
3.
On Reverse Order Law for {1 ,3M ,4N}-inverse of Two Matrix Product
两矩阵乘积的{1,3M,4N}-逆的反序
4.
Triploids are usually sterile and do not form a pathway by which 4n and 2n plants can exchange genes.
三倍体通常是不育的，因而不能作为4n和2n植物交换基因的途径。
5.
The determination of pefext matchings of a complete graph K_(4n) on the basic of △(G′)-edge colouring;
基于完全二分图矩阵的△(G)-边着色求解完全图K_(4n)的完备匹配
6.
This social stratum is unstable;
这个阶层是动摇的阶层；
7.
The landlord class and the comprador class.
地主阶级和买办阶级。
8.
An upper or ruling class.
上层阶级,统治阶级
9.
progressive involvement stage
了解阶段 了解阶段
10.
people of all ranks and classes
各阶层各阶级的人.
11.
hierarchy of social rank
社会阶层的阶级组织
12.
class contradiction and non-class contradiction
阶级矛盾与非阶级矛盾
13.
minor scale
【音】短[小]音阶
14.
The bourgeoisie has bourgeois democracy, it stresses class dictatorship.
资产阶级有个资产阶级民主，它讲究阶级独裁。
15.
Class, Class Origin, Class Stand--Reading Notes from the Study of Chinese Modern History
阶级、阶级出身、阶级立场——学习近现代思想史札记
16.
The Influence of Order Equation, Type of Element Order and the Number of Elements with Maximal Order on Finite Groups;
阶方程，元阶型，最高阶元的个数与有限群
17.
Understanding of the Classes and the Contradiction between Classes in the Elementary Stage of Socialism;
对社会主义初级阶段阶级、阶级矛盾的再认识
18.
How to Understand the New Changes in China s Classes and Strata at This Stage;
如何认识我国现阶段阶级阶层的新变化