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радиоактивный изотоп (An unstable isotope of an element that decays or disintegrates spontaneously, emitting radiation. Approximately 5000 natural and artificial radioisotopes have been identified.) | |||
радиоактивный изотоп | |||
изотоп радиоактивный | |||
радиоизотоп | |||
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радиоизотопный |
radioisotope: 198 phrases in 33 subjects |