笑容

He is both kind and munificence by nature

他天生既仁慈又宽宏大量。

For the purpose of saving energy and prolonging the lifetime of ad hoc network, this dissertation discuss the network lifetime in detail, and consider the lifetime and energy synthetically, provide a minimal energy cost maximal lifetime broadcast tree construction algorithm.

2针对移动Ad Hoc网络能量有效性问题，为了节省网络使用过程中的能量消耗，提高网络的生命周期，本文对网络的生命期问题，展开了详细的论述，同时又将生命期与能量消耗结合起来考虑，提出了一个最小能量最长生命周期广播树的构造算法。