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- Finally, CGCA significantly outperforms LEACH algorithm in terms of evenly distributing cluster heads. 最后在簇头均匀分布方面，CGCA也明显优于LEACH分簇算法。
- Based on root tree and Maximal Weighted Independent Set, EACT utilizes periodical rotation of cluster heads to balance the energy consumed by nodes. 算法引入了图论中极大权极大独立集和根树的概念，并借助簇头轮换机制均衡节点消耗。
- The cluster head will then forward the aggregated data to a nearby anchor in two steps. 接下来丛集头会把聚集的资料利用两个步骤经由锚节点传送到伺服器。
- Aiming at choice the mechanism of cluster head, multi-hop routing and the mechanism of MAC, the existing LEACH protocol is improved. 协议主要在簇头的选择机制、多跳路由、MAC层通信机制等方面,对已有的LEACH协议进行了改进。
- The sum of the Euclidean distances of the points from their respective cluster centers is adopted as the similarity metric. The near optimal cluster centers are chosen by the genetic algorithm. 对聚类中心采用二进制编码,把每一个点到它们各自的聚类中心的欧几里得距离的总和作为相似度量,通过遗传算法寻找聚类中心。
- The protocol decreases the number of cluster head which communicates with base station，reduces the energy consumption，and prolongs the network lifetime. 实验证明，该协议减少了与直接基站通信的簇首的个数，降低了能耗，延长了网络的生命周期。
- In LLN, nodes are organized into clusters.Sensed data which is compressed and fused by each cluster head is sent to base station through several sensor nodes. 在LLN协议机制中，节点以聚类的方式建立连接，观测数据经过聚类首领进行数据压缩融合处理后在节点间进行转发，最后被传送给远方的信息处理中心。
- CEER divides a target area into sub-areas called grids such that all sensor nodes in a grid are within the radio range, and a cluster head is selected in each grid. CEER把整个目标区域分割成许多个子区域(网格)，使得每个在网格内的感测节点彼此都能在无线电范围内，然后每个网格都会选出一个丛集头。
- Based on the study of LEACH, a clustering hierarchy algorithm named cluster heads optimized algorithm was proposed. 摘要基于对LEACH等算法的研究，提出一种传感器网络分簇算法-簇头优化分簇算法。
- Certainly, the vertical process would give them an idea of what should be included under each cluster heading. 当然,纵向列举的做法可以让他们了解在每个类别下包括哪些内容。
- The algorithm periodically put all nodes into several temporary clusters distributed evenly in geographical position, and then selected a cluster head in every temporary cluster. 它将节点周期性划分为数个在地理位置上分布均匀的“临时簇”，然后分别在每个临时簇内选择簇头；
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- In a wireless sensor network, sensor nodes are usually grouped into many clusters and a cluster head is responsible for sending the sensing data the base station. 中文摘要在无线感测器网路中，感测器节点通常会被分组，组成多个群集，一个群集头负责将群集的感应资料送回基地台。
- the second hierarchy cluster heads 二级簇首
- cluster head uniformly distributed 簇头均匀分布
- A motorcycle engine is finally used as an example to carry out the modeling, clustering and optimization, obtaining an optimized clustering model. 以某摩托车发动机为例进行了实际建模、聚类运算及聚类择优，得出了优化的模块聚类结果。
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
- He gave the little boy a clout on the head. 他在那小男孩的头部打了一下。
- I saw the small girl topple over and hit her head. 我看见那小女孩栽了一跤，碰着了头。
- Fuzzy Optimal Cluster Model and Its Application in Fire Safety Evaluation for High-rise Buildings 高层建筑火灾安全评价的模糊最优归类模型
