 |
| English | Russian |
| critical period | перелом |
| gestation period | период созревания (In December 2001 the official Code of Guidance on Expert Evidence was published after a long gestation period. CME Alexander Demidov) |
| happy period of life | счастливая полоса жизни |
| period immediately preceding | преддверие (with gen.) |
| period of an industrial boom | период промышленного подъёма |