...体访问控制协议；能量有效；偷听 [gap=995]Key words:mobile Ad hoc network(MANET);MAC protocol;energyefficient;overhearing ...
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But S-MAC protocol has good collision and overhearing avoidance, message passing and adaptive listening.
然而，S-MAC协议具有较好的冲突避免、串音避免、消息传递以及流量自适应机制。
参考来源 - 无线传感器网络MAC层协议研究Taking advantage of directional antennas with high gains and low side-lobes, in this method, the energy consumption from path loss, collisions and overhearing have been reduced greatly and the efficiency of energy can be improved greatly.
该方法利用指向性天线的高增益、低旁瓣特性,能够大量减少信道损失、冲突、串扰等因素引起的能耗,显著提高网络的能量利用效率。
参考来源 - 无线传感器网络节能策略研究Taking advantage of directional antennas with high gains and low side-lobes, in this method, the energy consumption from path loss, collisions and overhearing have been reduced greatly and the efficiency of energy can be improved greatly.
该方法利用指向性天线的高增益、低旁瓣特性,能够大量减少信道损失、冲突、串扰等因素引起的能耗,显著提高网络的能量利用效率。
参考来源 - 无线传感器网络节能策略研究·2,447,543篇论文数据，部分数据来源于NoteExpress
V-T If you overhear someone, you hear what they are saying when they are not talking to you and they do not know that you are listening. 无意中听到
I overheard two doctors discussing my case.
我无意中听到两个医生在讨论我的病例。
Ever wonder why overhearing a cellphone conversation is so annoying?
知道为什么听别人打手机如此心烦吗？
Have you ever wondered why overhearing a cellphone conversation is so annoying?
无意间听到别人通过手机聊天，自己却开始心烦意乱，你有没有思考过这是为什么呢？
She remembers standing outside the kitchen, overhearing her employers talk with her parents.
她记得当时她站在厨房外面，听着她的雇主和父母说话。
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