син. занимающийся изучением проблем
The ARS is a large professional organization engaged in research on guided missiles and space flight.
син. занимающийся изучением проблем
The ARS is a large professional organization engaged in research on guided missiles and space flight.
Русско-Английский словарь идиом по космонавтике. Russian-English dictionary of idioms on cosmonautics. 2012