conflict between social or economic classes (especially between the capitalist and proletariat classes).
社会或经济阶级间的冲突（尤其是资产阶级与无产阶级间）。
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。
a gradation involving small or imperceptible differences between grades.
等级间的极其细微的差别。
There are separate rooms for senior and junior officers.
高级军官和下级军官的房间是分着的.
There are separate rooms for senior and junior officers
高级军官和下级军官的房间是分著的.
It confirms five classes of remains distributing mode, including micro-class, single-well and singe-layer class, inter-well and single-layer class, interlayer class and plane class.
确定了五个级次的剩馀油分布模式，包括微观级、单井单层级、井间单层级、层间级和平面级。
It takes a very long time to abolish classes.
消灭阶级，要很长的时间。
The spacing of translational energy levels is very small.
平动的能级间隔极少。
the social class between the lower and upper classes.
在社会等级中处于上等阶级和下等阶级之间的社会阶级。
interstage gland
级间密封，级间汽封
a football match between the juniors and the seniors
低年级学生和高年级学生之间的足球赛.
a senior diplomat from one country to another who is assigned ambassadorial rank.
一个具有大使等级，出入两国之间的高级外交官。
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
A Study on the Protein Secondary Structure Prediction and the Connection between Protein Secondary Structure and Its 3D Structure;
蛋白质二级结构的预测以及二级结构与三级结构之间关联的探讨
The smallest energy transitions are between rotational levels; the next smallest between vibrational levels.
在转动能级之间的能量跃迁最小，其次是振动能级之间的跃迁。
referring to an intermediate stage of education usually centering on grades 6 or 7 through 8 or 9.
指教育的中间阶段，常位于六、七年级到八、九年级之间。
High efficiency MSVQ for prediction linear spectrum frequency parameters with inter-frame and inter-stage prediction
带有帧间级间预测的线谱频率参数多级矢量量化技术
(2) merchants, as the class of intermediaries between the producers;
（2）出现了作为生产者之间的中间阶级的商人；