｛：学位沦文 点分为超级节点（SuperNode，SN）和普通节点（OrdinaryNode，ON），除此之外还有 一种称为注册服务器（LoginServer）的实体。
基于4个网页-相关网页
在查询消息的路由机制方面，设计了超节点和普通节点的路由机制。
On the other aspect of routing mechanism of querying message, super node and ordinary node are designed for realizing this routing.
在该层次化模型中，将节点根据物理位置进行分组，在每个分组中按节点的能力的分成超级节点、索引节点和普通节点。
In this hierarchical network model, nodes are divided in to group according to their physical location and in each group the nodes are classified in to super node, index node and ordinary node.
由于该齿轮的齿根厚度比普通渐开线齿轮的齿根厚，并且节点附近不相接触，因此，其轮齿弯曲强度和接触强度都提高。
Because of the tooth thickness of the dedendum is larger than that of the common involute gear and the Pitchs do not contact each other, the beam strength and surface strength of tooth are increased.
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