梯队的英文怎么说
梯队的英文：echelon formation; one echelon
echelon是什么意思：
n. 梯形,梯阵,梯次编队
vt. 排成梯队
vi. 形成梯队
[*]Because activities involving the system of rites and music was restricted to the upper echelons of society
因为礼乐完全是局限于社会上层的活动[*]The Armed Police Force has three echelons of leadership, namely, general headquarters, contingent (division) and detachment (regiment)
武警部队设总部、总队(师)、支队(团)三级领导机关。[*]Young whales and dolphins actually rest, eat and sleep while their mother swims, towing them along in her slipstream -a placement called echelon swimming.
小鲸鱼和小海豚实际上是当它们的母亲在滑流中拖着它们向前游动时休息、进食和睡觉的，形成一个游泳梯队的阵形。 formation是什么意思：
n. 形成；构成；队形
[*]formation; rank
队形 [*]dispersed (open) formation
疏开队形 [*]reissue a book in a new format
以新版式重新发行一本书
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