постоянно

см. тж. всё время; всегда; ежедневно; неизменно; непрерывно; неуклонно расти

The surface of Venus is perpetually (or constantly) hidden by clouds.

Such devices will be routinely available.

One problem arose repeatedly in any attempt to calculate ...

Erosion, transportation and deposition persistently carry mineral matter from higher places on the continents to ...

The forces are changing constantly.

Later researchers have consistently reported that no such change could be detected.

Special storage places should be provided in which the temperature can be held below 60°F at all times.

The entire sensitive portion of the bulb must be immersed at all times in the medium being measured.

What lies behind the Sun's ever changing visible features?

The need for this product will grow steadily.

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