0 a particular level or group of people within an organization such as an army or company -- （军队、企业等组织的）等级，阶层，某一等级（或阶层）的所有人
I know that there are such courses readily available in universities for the upper echelons of industry.
Again, there may be problems of the higher echelons of management.
The amount of tax relieved on the lower echelons of the tax systems was £3,638 million.
Not all have reached such high echelons of management, but they have been recruited through the apprenticeship system that this country has built up.
I would bring in the whole gamut of people dealing with the child from the higher echelons of teaching down to the infant teacher.
In the higher echelons the story is the same.
One begins to move, but to reach the highest echelons one has virtually to abandon one's craft and move to another—management, finance and so forth.
There are almost no women in the higher echelons and no senior judges from ethnic minorities.
