Искать
Echelon
01
эшелон, дифракционная решетка эшелона
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
02
эшелон
a diagonal formation of things, especially used in military troops
03
уровень, ранг
a level or rank in an organization, profession, or society, indicating a person's status or authority within that hierarchy
Примеры
His promotion moved him into the top echelon of academic researchers in his field.
Его повышение переместило его в верхний эшелон академических исследователей в его области.
