сложный

I

см. тж. глубокий анализ; громоздкий; трудоёмкий

• The calculations become more intricate (or tedious, or involved, or cumbersome).

• This is a much more elaborate procedure than is necessary for the coal material itself.

• One of today's most important and challenging problems is the development of ...

• A combination magnetic/filter separator cuts down costs, but is an elaborate piece of equipment.

• The surface wind system ... is much more complicated and complex than ...

• Fairly elaborate computations are necessary.

• Techniques which are common in the motion-picture business have been adopted for many of the more involved

• (or intricate) television productions.

• Very sophisticated mathematical techniques ...

• Sophisticated equipment ...

II

• A composite two-fibre waveguide ...

• The transition is a compound one (both the spin and the orbit must change).

• A composite particle ...