In aprotic acids, it is some other electron-deficient element.
在无质子的酸中，它是另一种缺电子元素。
Boron, the prototypical electron-deficient element in the periodic table, is well-known for multicenter bonds.
硼作为周期表中典型的缺电子元素，易于形成多中心离域键。
The data of electron probe indicate that following the mineralization, sulfur was more and more deficient.
电子探针数据表明：随着成矿作用的进行，硫源越来越匮乏。
The data of electron probe indicate that following the mineralization, sulfur was more and more deficient.
电子探针数据表明：随着成矿作用的进行，硫源越来越匮乏。
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