значительное увеличение
• At lower currents there is a marked (or pronounced, or drastic, or appreciable) increase in (or of) absorption.
• The gain is appreciable (or considerable, or substantial).
Русско-английский научно-технический словарь• At lower currents there is a marked (or pronounced, or drastic, or appreciable) increase in (or of) absorption.
• The gain is appreciable (or considerable, or substantial).
Русско-английский научно-технический словарь