и в то же время

Electronic equipment in space satellites must be expected to withstand considerable acceleration while functioning properly.

Analytical chemistry is a subject which is broad in scope whilst requiring a specialist approach.

This notation gives a simple yet precise name to particular enantiomers.

Special cooling stages are necessary to employ a superfluid film and still maintain the low temperature of the cell.

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