The Digital Rights Management (DRM) is a general solution to utilization, storage, exchange and tracking of digital contents and their rights.

数字版权管理技术从数字内容及其权限的使用、 存储、 交换、追踪等方面给出了全面的解决方案。

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The algorithm reaches tracking accuracy requirements, minimizes the network resource utilization and prolongs the working life of wireless sensor networks.

算法在提高定位精度的同时最大限度地降低了对资源的使用，有效延长了无线传感器网络的工作寿命。

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