secondary trunk road
美 [ˈsekənderi trʌŋk roʊd]英 [ˈsekəndri trʌŋk rəʊd]
- 网络次干路;次干道

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On the Form of Urban Secondary Trunk Road in Shenzhen
深圳城市次干道横断面形式小议
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Simpson index , Shannon-Wiener index and Pielou index have the same evenness tendency in the performance of trunk road , secondary trunk road , branch , being trunk roads secondary trunk road branch and three diversity indices show a significant positive correlation trend . 3 .
Simpson、Shannon-Wiener和Pielou均匀度在表现主干路、次干路、支路总体趋势一致,均是主干路次干路支路;三个多样性指数呈现显著正相关趋势。