Echelon
01
エシェロン, エシェロン回折格子
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
02
梯隊, 梯隊編成
a diagonal formation of things, especially used in military troops
03
階層, レベル
a level or rank in an organization, profession, or society, indicating a person's status or authority within that hierarchy
例
She worked hard for years to reach the upper echelons of the corporate world.
彼女は何年も懸命に働いて、企業世界の上層階層に到達しました。
His promotion moved him into the top echelon of academic researchers in his field.
彼の昇進は、彼をその分野の学術研究者の最高階層に移動させた。
