1、
Ernest Rutherford and Frederick Soddy were working out the nature of radioactivity.
是卢琴福和索迪揭示了放射性的奥秘,发表了元素的嬗变理论.
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2、
Ernest Rutherford and Frederick Soddy were working out the nature of radioactivity.
是卢琴福和索迪揭示了放射性的奥秘,发表了元素的嬗变理论.
互联网摘选
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