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1·Routing protocol is a key issue on network layer in WSN.

路由协议是无线传感器网络在网络层上的一个关键研究课题。

2·Two of the most fundamental problems in WSN are connectivity and coverage.

连通与覆盖是无线传感器网络的两个最基本的问题。

3·Node coverage is one of the key techniques in Wireless Sensor Netwok (WSN).

节点覆盖是无线传感器网络关键技术之一。

4·The thresholds can differ in both directions between Web services in the WSN paradigm.

在WSN范例的Web服务中，两个方向的阈值可以不同。

5·Wireless sensor network (WSN) is a new data-centric and application-oriented network.

以数据为中心的面向应用的无线传感器网络是一种新型网络。

6·This paper has designed the new broadcast authentication technology which is suitable for WSN.

本文设计了适用于广播频繁的传感器网络的广播消息认证技术。

7·Task assignment mapped subtasks to nodes , the characteristics of WSN make it to be challenge.

任务分配即将子任务映射到网络节点上。

8·As far as locating and tracking the target in WSN is concerned, it needs sensors collaborating.

在无线传感器网络中，为了对目标进行定位和跟踪，需要传感器节点之间进行相互协作。

9·But group key management in WSN faces a great challenge because of the resources are constrained.

然而由于传感器网络自身资源的限制，使得传感器网络的组密钥管理面临巨大的挑战。

10·How to effectively implement clustering in large-scale WSN is the desiderate problem need to settle.

如何实现大范围无线传感器网络的上效开簇非纲后亟需解决的题纲。