a level or rank in an organization, a profession, or society
(组织、职业或社会的)等级;阶层
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the upper echelons of the business world .工商界的上流阶层。
[often with modifier]a part of a military force differentiated by position in battle or by function
(处于战场某方位或执行某任务的)部队
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the rear echelon .后卫部队。
【军】 (部队、船只、飞机或车辆排列成的) 梯队,梯次配置。
【军】 使列成梯队,使形成梯次配置
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[as noun
echeloning ]the echeloning of fire teams .消防队的梯次配置。
"late 18th cent. (in sense 2): from French