Вносить усовершенствование (или улучшение)
>An improvement may be made (or introduced).

Значительно лучше, чем
>The reflecting telescope was a great improvement over the refracting telescope.

Значительно увеличивать
>Nuclear propulsion has vastly multiplied (or improved, or enhanced, or increased) the capabilities of the submarine.

Имеются возможности для усовершенствования
>There is still room for development (or improvement) in work handling systems between the machining systems.

Облегчать положение
>Prescribing this medicine improves matters.

Повышать [см. тж. Увеличивать]
>Niobium improves the heat resistance of ...

Повышенный
>Steels containing up to 1% chromium give enhanced (or increased, or improved, or better) resistance to atmospheric corrosion.

Продлевать срок службы
>The programme was designed to improve tool life.

Резко улучшаться
>Then the world food supply could be drastically improved.

Способствовать [см. тж. Значительно способствовать, Помогать, Содействовать]
>A very slight amount of mixing can greatly enhance (or improve) the transport.

Указывать пути усовершенствования
>A detailed understanding of the effect has guided the way to improvements in the design of experiments.

Уточнение
>This value may be subject to refinement (or improvement) when analyses are complete.

Уточнять
>The temperature values have been refined (or improved, or adjusted) by the application of instrumental corrections.

Эффективность повышается с опытом
>Proficiency (or Efficiency) in this skill improves with practice (or experience).