echeloned 详细解释

echeloned

['eʃəlɔn]

[ echeloned ]

n.职权的等级,阶层,梯队,梯次编队
v.排成梯形

词形变化

动词过去式: echeloned | 动词过去分词: echeloned | 动词现在分词: echeloning | 动词第三人称单数: echelons |

英英释义

名词 echelon:

a body of troops arranged in a line

a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset