因此，电子自旋配对不是共价键形成的原因，也不是先决条件，电子自旋配对只是双电子共价键的一个特点。
Therefore, the spin pairing is not cause of the formation of covalent bond, it is not also condition of first determining, the spin pairing is the only particularity of covalent bond of two electrons.
因此，电子自旋配对不是共价键形成的原因，也不是先决条件，电子自旋配对只是双电子共价键的一个特点。
Therefore, the spin pairing is not cause of the formation of covalent bond, it is not also condition of first determining, the spin pairing is the only particularity of covalent bond of two electrons.
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