周期的
adj. periodic ; periodical ; cyclical ; cyclic
网络释义专业释义
双语例句原声例句
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if we think about electronegativity as a periodic trend we can just draw our nice periodic table here, and let's separate it into quadrants.
如果我们来思考一下电负性的周期性规律,我们可以把我们漂亮的周期表画在这，然后把它分成四个象限。
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5% And, it turns out that about 75% of the periodic table falls into this category.
而且，它表明元素周期表的,都属于这个种类。
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So you should be able to look at your periodic table and see this, or also I've written the trend here.
大家应该能够通过查周期表，或者通过看我写在这里的趋势看出来。
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