英语词汇periodic law怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	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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