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echelon是什么意思？

echelon

英[ˈeʃəlɒn] 美[ˈeʃəlɑn]
  • 复数：echelons;
    • 相关单词 echelonmentechelons
    例句
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    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.
    英汉词典释义
    英英词典释义
    • Noun
      1. a body of troops arranged in a line
      2. a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
    行业词典
    • 体育： 梯次配置；