по высоте

I

см. тж. распределение по высоте

The liquid maintains a nearly uniform concentration from top to bottom [or throughout (the height of) the column ].

To provide uniform application of the coating materials along the full vertical extent of the object, ...

II

длине и т.п.

The mass velocities vary considerably through the tower.

Источник: Русско-английский научно-технический словарь на Gufo.me