英语词汇“periodic law”是什么意思，“periodic law”的读音、用法及例句翻译-烛光网

词汇	periodic law
释义	pe·ri·od·ic law AHD[pĭr'ē-ŏdʹĭk] D.J.[ˌpɪriːˈɒdɪk]K.K.[ˌpɪriˈɑdɪk]n.Chemistry（名词）【化学】 The principle that the properties of the elements recur periodically as their atomic numbers increase.周期律：元素属性根据原子数的增长周期性出现的规律
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