см. более сложный ; син. трудный ; тяжелый 1
The nature of vibration of pressure and other characteristics of gas are extremely complicated and have not yet been sufficiently investigated.
см. более сложный ; син. трудный ; тяжелый 1
The nature of vibration of pressure and other characteristics of gas are extremely complicated and have not yet been sufficiently investigated.
Русско-Английский словарь идиом по космонавтике. Russian-English dictionary of idioms on cosmonautics. 2012