在一定的条件下给出了两个含参数的积分不等式，其误差估计是最佳的。
Two integral inequalities with a parameter whose estimation of errors is best were given under certain conditions.
凸(凹)函数有很多特性，这些性质可广泛应用于不等式的证明及误差估计等方面。
There are convex function and concave function, Which are of expansive application in many aspects, especially in inequality proof and error estimate.
在身份识别这一部分，首先构建客户眼睛周边区域的生物特征数据库用于进行身份验证。在身份验证阶段使用了施瓦茨不等式算法和误差平方和（SSE）算法。
In the person identification part, we construct databases of biometrical features around the eye area of clients and, for authentication, Schwartz inequality and the sum square error (SSE) are used.
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