There is no landscape tree species planning in foreign countries. Instead, they compile tree selection guide handbook or tree character list to guide tree species selection and application.
国外没有类似我国城市树种规划类型的文件，他们通过制定城市树种选择指导手册或树种特性表等实现对城市树种选择和应用的指导。
The traditional Aggregated Multicast was divided the problem into three sub-problems, namely, candidate tree generation, tree selection and group-to-tree mapping.
传统的聚合组播包括三个主要步骤，分别是候选树生成，树选择和组树匹配。
The traditional Aggregated Multicast was divided the problem into three sub-problems, namely, candidate tree generation, tree selection and group-to-tree mapping.
传统的聚合组播包括三个主要步骤，分别是候选树生成，树选择和组树匹配。
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