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echelon 音标拼音: ['ɛʃəl ,ɑn] n. 梯形,梯阵,梯次编队
vt. 排成梯队
vi. 形成梯队 梯形,梯阵,梯次编队排成梯队形成梯队 echelon n 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 offsetEchelon \ Ech" e* lon\ ([ e^] sh" e* l[ o^] n), n. [ F., fr. [' e] chelle ladder, fr. L. scala.] 1. ( Mil.) An arrangement of a body of troops when its divisions are drawn up in parallel lines each to the right or the left of the one in advance of it, like the steps of a ladder in position for climbing. Also used adjectively; as, echelon distance. -- Upton ( Tactics). [ 1913 Webster] 2. ( Naval) An arrangement of a fleet in a wedge or V form. -- Encyc. Dict. [ 1913 Webster] { Echelon lens} ( Optics), a large lens constructed in several parts or layers, extending in a succession of annular rings beyond the central lens; -- used in lighthouses. [ 1913 Webster]
Echelon \ Ech" e* lon\, v. t. ( Mil.) To place in echelon; to station divisions of troops in echelon. [ 1913 Webster]
Echelon \ Ech" e* lon\, v. i. To take position in echelon. [ 1913 Webster] Change direction to the left, echelon by battalion from the right. -- Upton ( Tactics). [ 1913 Webster] 31 Moby Thesaurus words for " echelon": battle array, caste, class, close formation, condition, deployment, disposition, file, footing, formation, formation flying, hierarchy, open order, order, order of battle, place, position, power structure, precedence, queue, rank, rate, rating, row, sphere, stage, standing, station, status, string, tier
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