介绍WSN中非常重要的一种协议LEACH以及它的演化版本LEACH-C，是该领域的奠基性文章。-WSN introduce a very important LEACH protocol, as well as its evolution version of LEACH-C, are the foundation of the field article.

这是一个英语文章，讲述怎么优化LEACH，和在实际当中的有效数据传送问题！-This is an English article, how about optimizing LEACH, and in practice, the effective data transfer problem!