наклон касательной к кривой
• We shall henceforth speak of "the slope of the curve" as implying "the slope of the tangent to the curve".
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• We shall henceforth speak of "the slope of the curve" as implying "the slope of the tangent to the curve".