в отдельности
• It is not necessary to know the individual values of l, m and n but only the combinations ζ =18l + 4m + 2n.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• It is not necessary to know the individual values of l, m and n but only the combinations ζ =18l + 4m + 2n.