echelons是什么意思？

echelons

• n. （机构中的）等级，阶层( echelon的名词复数 )，（军舰、士兵、飞机等的）梯形编队；

例句

• Officers were drawn largely from the top echelons of society. 这些官员大都来自社会上层。
• The upper echelons are ABs and the middle, BCs. 上层称为AB级,中层称为BC级.
• They are all northwest strikes , echelons and left - lateral strike - slips. 它们走向北西, 雁行斜列,左行走滑.
• They are also under - represented in the upper echelons of management. 她们只是上层管理梯队中的少数分子.
• ...the lower echelons of society. 社会等级较低的阶层

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  等级;阶层
  An echelon in an organization or society is a level or rank in it.
  例句
  ...the lower echelons of society. 社会等级较低的阶层
• N-COUNT
  （士兵、车辆、军舰、飞机等的）梯形编队,梯队
  An echelon is a military formation in which soldiers, vehicles, ships, or aircraft follow each other but are spaced out sideways so that they can see ahead.