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。
When the soil is deficient in some particular element and where there are no others to substitute, the plants will grow to maturity bearing only a fraction of that mineral.
当土壤缺乏某种特殊元素同时找不到替代物时，这些植物将生长成熟但是只有多少分之一的这种元素。
When the soil is deficient in some particular element and where there are no others to substitute, the plants will grow to maturity bearing only a fraction of that mineral.
当土壤缺乏某种特殊元素同时找不到替代物时，这些植物将生长成熟但是只有多少分之一的这种元素。
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