46.Cs-137、Co-60、Ir-192和I-131半衰期長短的順序為何?
(A)Cs-137>Co-60>Ir-192>I-131
(B)Ir-192>Cs-137>I-131>Co-60
(C)Co-60>I-131>Cs-137>Ir-192
(D)Cs-137>Ir-192>Co-60>I-131
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統計: A(1562), B(37), C(99), D(40), E(0) #1150365
統計: A(1562), B(37), C(99), D(40), E(0) #1150365