decay beta-decay β-decay beta decay
The radioactive transformation giving rise to these electrons was known as beta decay.
产生这种电子的放射性变化,称为β衰变。
—— 辞典例句Let us very briefly rehearse one or two facts about nuclear beta decay.
让我们非常简要地复述一下有关该β衰变的一两件事实。
—— 辞典例句