в значительной степени

• Only the ground state is appreciably (or substantially) populated.

• The aircraft's altitude exceeded the desired angle of attack by a large (or considerable) margin.

• The fidelity of the amplifier depends to a large measure [or in large measure, or to a large extent (or degree), or largely, or to a great (or marked) extent, or in great (or large) part] on its ability to ...

• The heading remains much as in the previous version.

• The waxes are the cause of much of the trouble in the dyeing of cotton goods.

• The longer domain is still largely unknown.

• Much of the importance of the glass electrode stems from ...

• These properties vary significantly with time.

• The ventilation passages are (very) materially obstructed.