в настоящее время

см. тж. имеющийся в настоящее время

As of now, these molecules have been identified.

The engine will operate on currently available fuels.

At the moment it is not clear how these standards might be arrived at.

This kind of switch is currently (or presently) constructed of silicon.

The mechanism of this reaction is presently unknown.

At present (or At the present time, or Nowadays) there is a strong trend towards ...

The now popular electronic calculators ...

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