срочный трудовой договор(A fixed-term employment contract lasts for a specified length of time. Alternatively, such contracts can end with the completion of a specified task or when a particular event takes place. For example, fixed-term employees can be brought in to cover for permanent staff on long-term sickness or maternity leave or to cope with increased seasonal demand. hr-legal.co.ukAlexander Demidov)
бессрочный договор(The open-term contract is the standard form of an employment contract. However, in certain cases and provided that certain conditions are satisfied, employees may be employed on a fixed-term basis. Alexander Demidov)