echelon的中文翻译
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echelon1
UK
/ˈeʃəlɒn/
US
/ˈeʃəlɑːn/
阶层
noun
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a rank or position of authority in an organization or a society
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the lower/upper/top/higher echelons of the Civil Service
较低的/上层/顶部/高级梯队的公务员
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an arrangement of soldiers, planes, etc. in which each one is behind and to the side of the one in front