Русско-английский научно-технический словарь
см. тж. без изменения; оставаться без изменений
• This benzene ring has remained intact.
• In this way the positioning of the optics can be left untouched (or intact).
• The total number of atoms is (or remains) fixed (or unchanged, or the same).
• The analogue-to-digital interface must remain invariant (or unaltered, or constant, or unchanged) despite modifications or changes in the computer.
• The velocity of the centre of mass does not change during collision.
• Today a number of details in the original paper have been revised, but the basic mechanism of ... remains intact.