And that allows us to compare different elements in terms of their electronegativities.

这使我们能够根据电负性比较不同的元素。

Google says the initiative was designed to help nations draft better constitutions by using its powerful search tools to extract and compare elements which best suit their own circumstances.

谷歌称其目的是帮助各国通过使用其强大的搜索工具来提取信息，并将最适合本国国情的部分进行对比，从而起草出更好的宪法。