The protocol can search multiple feasible tree branches, and select the optimal or near optimal branch for connecting the new receiver to the multicast tree if it exists.

该协议可搜索多条可行树枝，并能选择一条最优(或近优)树枝将新成员连接到多播树。

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Then obtained the feature points such as endpoints and branch points of the skeleton, recorded their connecting relationship.

然后找出骨架中端点、分支点等特征点并记录它们的连接关系；

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YHX series threading box the necessary connecting piece at the junction of the casing, cable connector and branch when laying the cable.

YHX系列穿线盒是电缆穿管敷设时在套管连接处、电缆接头处、分支处必须采用的连接件。

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