син. в результате ; вследствие ; следовательно ; таким образом
Direct observations from space will help to solve a number of other scientific and economic problems. Thus space cities will have scientific laboratories…
…and for this reason the use of single-gas cabin atmospheres is not permissible in long-term flights.
The external lines of spacecraft are far from being aerodynamically perfect; therefore , their lift/drag ratio is about 0.5 or less.