ابحث
Echelon
01
خطوة
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
02
إشلان
a diagonal formation of things, especially used in military troops
03
درجة
a level or rank in an organization, profession, or society, indicating a person's status or authority within that hierarchy
مثال
Her influential family belonged to the upper echelon of social circles in the city.
His promotion moved him into the top echelon of academic researchers in his field.
Many young professionals aspire to climb the echelons of their respective fields to achieve greater recognition and success.
She worked hard for years to reach the upper echelons of the corporate world.
