Русско-английский научно-технический словарь
продолжительный
см. тж. иметь продолжительный срок службы
• The microscope makes possible lengthy (or prolonged, or protracted) investigations with small objects.
• The unit will function for extended (or prolonged) periods.
• Over the extended trial period the enlarger has exhibited ...
• Long-term storage ...
• Prolonged heating at such a temperature favours further grain growth.
• Prolonged service testing has proved that ...
• Long-term measurements ...
• The Plummer-Vinson syndrome is usually found in women after long-standing iron deficiency.