However, the distributed, anonymous and dynamic characteristics of P2P network lead to security issues such as the non-cooperation and unreliable quality of service.

但是P 2 P具有分布性、匿名性和动态性的特点，这给P 2 P网络带来了不合作以及不可靠的服务质量等安全问题。

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The research produced by the European network may even lead to the adoption of a European Drought Policy.

UNESCO: Open Access to Scientific Information

During the summer of 1997, Holliman most recently served as the network's lead reporter for the Pathfinder mission to Mars.

CNN: The View from Space

The same studies that document the power of the social network have also shown that, when people are cut off from the network, they lead much shorter lives.

WSJ: Our Social Networks, Ourselves