шаг за шагом
• The reader is urged to examine each proof carefully, step by step (or stepwise).
• It is best to adopt a practical step-by-step approach.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• The reader is urged to examine each proof carefully, step by step (or stepwise).
• It is best to adopt a practical step-by-step approach.