Using traditional transmission power control mechanism in data link layer of wireless AD hoc network may result in the increased packet collisions among nodes which use different transmission power.

在无线自组织网数据链路层中，采用传统的功率控制机制会引起不同发射功率节点间的分组冲突。

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The glass is then etched down to the inner layer leaving the design outline in relief. fine cameo glass was produced by the Romans in the1st century AD.

然后将外层玻璃蚀刻到内层，使设计的轮廓成为浮雕，其精细部分用手工或旋转的刀具雕刻。早在公元1世纪，罗马人已生产出精美的宝石玻璃品。

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In this paper, the author analyzed the Ad hoc network's MAC layer, and did a certain amount of the work.

在本论文中，笔者深入分析和研究了无线自组织网络MAC层，做了一定量的工作。

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