- fallible of radioactive dust
- осадок радиоактивной пыли
Англо-русский дипломатический словарь. 2013.
Англо-русский дипломатический словарь. 2013.
Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… … Wikipedia