For instance, the policies for basic field coverage, users' authentication and base station configurations can be enforced at Layer 1.

例如，可在第1层执行基域覆盖策略、用户鉴别策略以及基站配置策略等。

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MAC address filtering and base station discovery policies that prevent the deployment of unauthorized access points and other wireless devices can be enforced at the final layer.

而在最后一层则可执行那些用来防止未经授权的访问点以及其它无线设备配置的MAC地址过滤和基站发现策略。

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In this paper, a new technique of protective layer excavation of horizontal foundation was expounded and applied to the construction of Lijiaxia hydropower station.

本文是水平建基面保护层一次爆破开挖新技术在李家峡水电站工程的应用实例。

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