Students team with a certain time plan and echelon .
具有一定时间规划和梯队的学生群体。
Let me see your other upper echelon .
让我看到你的上梯队。
The discovery of offshore oil could thrust the country into the top echelon of oil-exporting nations
近海油田的发现能让该国跻身石油出口国顶级梯队之列。
But shawn noren of the university of california at santa cruz has found evidence that echelon swimming is also a form of infant carrying .
但是位于圣克鲁兹的加利福尼亚大学的肖恩诺尔发现这种梯队状游动也是运送孩子的一种形式。
The big appetite for risk that existed in the upper echelon just two years ago is fading , the survey found , with around 44 % of the country 's wealthiest looking to spread their risk .
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
详细解释
ech.e.lon n.(名词) A formation of troops in which each unit is positioned successively to the left or right of the rear unit to form an oblique or steplike line.梯队:军队的一种队形,其中每个编群都相继排列在后一编群的左边或右边,形成斜线或梯形线A flight formation or arrangement of craft in this manner.梯形飞行队:以此方式编排的飞行队形A similar formation of groups, units, or individuals.梯形排列:群体、单位或个人的类似排列A subdivision of a military or naval force:陆军或海军的分部:例句:a command echelon.司令部 A level of responsibility or authority in a hierarchy; a rank:等级,阶层:等级制中的权力或责任等级;阶层:例句:a job in the lower echelon of the corporation.一份公司底层工作 v.tr.intr.(及物动词和不及物动词)ech.e.loned,ech.e.lon.ing,ech.e.lons To arrange or take place in an echelon.排成梯队:排列成梯队或以梯队形式发生 来源:French échelon 法语 échelon from Old French eschelon [rung of a ladder] 源自 古法语 eschelon [梯级] from eschiele [ladder] 源自 eschiele [梯子] from Late Latin sc3la 源自 后期拉丁语 sc3la from Latin sc3lae [steps] * see skand- 源自 拉丁语 sc3lae [级阶] *参见 skand-