1.
single/married tax rate relativities
单身/已婚税率比较级差
2.
class differences, distinctions, divisions, etc
阶级差别、 界限、 划分.
3.
A difference in wage rate or in price.
工资级差工资或价格上的差异
4.
Research on differences of achievement motivation for college students with different sexes and grades;
大学生成就动机的性别差异和年级差异
5.
Research on Progressive Petroleum Resource Taxation System on the Basis of Value Classification;
基于价值分级的级差式石油资源税制研究
6.
They pay differential rents according to their income.
他们根据收入多少付级差房租。
7.
arithmetical progression
算术级数, 等差级数
8.
rateable value platform
各级应课差饷租值表
9.
Seidel third order theory of aberration
塞德耳三级像差理论
10.
an arithmetic(al) [a geometric(al)] progression
算术 [几何] 级数,等差 [等比] 级数
11.
Testing of Variance Component in Two-nested Random Effect Model under Heteroscedasticity;
异方差的两级套模型的方差分量的检验
12.
There is a widening gulf between the middle class and the poorest sections of society.
中产阶级和社会的贫困阶级间的差距在增大。
13.
An Error Distribution Algorithm for 2-Level Rendition of Continuous-Tone Pictures
多灰度级图象的二级显示的误差分散算法
14.
(math) a progression of terms whose reciprocals form an arithmetic progression.
（数学）其倒数构成一个等差级数的级数术语。
15.
There is a tremendous difference in strategy between playing Deity and Chieftain.
在神级和酋长级难度下存在着巨大的差异。
16.
Studies on Reasonable Distance of Farmland Classificiation and Gradation;
县级农用地等级的差异间距合理性分析
17.
If there are differences, where are they?
归因在年级和性别之间是否存在差异，若有差异，差异何在。
18.
Such as junior clerk, messenger or office assistant?
例如初级文员、信差或公司助理？