本文通过构造向量，将向量的内积的性质运用于不等式的证明中，使得一些不等式的证明更加简捷。
A property of inner product is used for proving inequalities by constructing some spacial vectors, it can simplify the processes of the proof.
本文通过构造向量，将向量的内积的性质运用于不等式的证明中，使得一些不等式的证明更加简捷。
A property of inner product is used for proving inequalities by constructing some spacial vectors, it can simplify the processes of the proof.
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