... mendelev periodic law of elements 门捷列夫元素周期律 periodic law of chemical elements 周期律 periodic law of geographic zonality 地理地带性周期律 ...
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He was the earliest one to introduce to domestic readers the periodic law of chemical elements, as well as the first person to work out systematic terms for organic compounds.
他最早向国内读者介绍了化学元素周期律，也是制订有机物系统名称的第一个人。
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