By some abstract results of operator equation, the fourth order singular boundary value problem was discussed.
利用算子方程的一些抽象结果来讨论四阶奇异边值问题。
Abstract: Matrix keyboard key operation management efficiency and effective method, which can improve the system accuracy, to save resources, reduce the operator itself quality requirements.
摘要：矩阵式键盘提高效率进行按键操作管理有效方法，它可以提高系统准确性，有利于资源的节约，降低对操作者本身素质的要求。
This paper uses the operator of mathematical morphology to abstract image skeleton and carries out the matching of moulding board according to the skeleton angular point of image.
应用数学形态学算子抽取图像的骨架，根据图像骨架角点进行模板匹配。
Abstract: In wireless telecommunication, in order to protect communication system from monitoring and steal radio resource by illegal intruder, security is a critical issue for any operator.
摘要：无线通信领域中，每个无线通信系统都很重视空中接口的安全性，防止非法者监听或是盗用系统的空中无线资源。
Abstract: In wireless telecommunication, in order to protect communication system from monitoring and steal radio resource by illegal intruder, security is a critical issue for any operator.
摘要：无线通信领域中，每个无线通信系统都很重视空中接口的安全性，防止非法者监听或是盗用系统的空中无线资源。
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