decay period

• 1. 衰变期: decay period
• 2. 短衰变期燃料: short-decayed fuel | fuel short-decayed
• 3. 放射性衰变周期: period radioactive decay | radioactive decay period

更多释义

• 1.这些古老的手工艺品如今正处于不同的衰变期。
  These ancient artefacts are now in various stages of decay.
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• 2.冰川期中的绝大部分所跨越的是这样一个时期，对于这一时期，没有任何元素能拥有一种恰如其分的衰变率。
  Most of the Ice Age spans a period of time for which no element has as appropriate decay rate.
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