1.
Class distinctions have become less important during the last 50 years.
在过去五十年间，社会等级差别已经变得不那么重要了。
2.
You can see the difference between these grades.
你可以看看这些等级的差别
3.
disparity in age, rank, income, status, etc
年龄、 级别、 收入、 地位等方面的差距
4.
a gradation involving small or imperceptible differences between grades.
等级间的极其细微的差别。
5.
Difference in Gender Estate and Status under the Mourning Apparel System in Pre-Qin Times
先秦丧服制度中的性别等级地位差异问题初探
6.
Research on the Multi-class Dynamic Differential Pricing of Air Passenger Transport;
民航客运的多等级动态差别定价问题研究
7.
On difference between the mencius ceremony and realistic significance of hierarchy;
略论孟子的礼与当时现实等级之礼的差别
8.
arithmetical progression
算术级数, 等差级数
9.
An Incestuous Relation Concerning Class and Sex--a perspective of social sex from three short story collections and two surprising story collections;
等级落差与性别差异演绎的乱伦关系——“三言”“二拍”中一个社会性别的视角
10.
We've got here our sales samples Type33 and Type35.
这里有33号和35号的货样，你自己可以看一看这两种等级的差别。
11.
Gender and grade differences of personality traits in students of normal universities;
高等师范院校学生人格特征的性别及年级差异比较
12.
An Investigative View on the Grading Difference Between Genders in the Funeral Conventions of the Tang Dynasty in Terms of the Custom of Husband and Wife Sharing the Grave;
从夫妻合葬习俗看唐代丧葬礼俗文化中的性别等级差异
13.
class differences, distinctions, divisions, etc
阶级差别、 界限、 划分.
14.
an arithmetic(al) [a geometric(al)] progression
算术 [几何] 级数,等差 [等比] 级数
15.
To arrange or divide into categories, steps, or grades.
分成等级排列或分成类别，步骤或等级
16.
However, a level 1 cannot duel a level 50.
当然，等级1的别想和等级50较劲。
17.
To reduce in grade, rank, or status.
降级降低等级、级别或地位
18.
Fourth Estate
第四等级（新闻界的别称）