“green space ratio of city”的概念、定义、翻译、参考文献-科学参考

单词	green space ratio of city
释义	green space ratio of city Encyclopedia 工学绿地系统规划释 green space ratio of city城市绿地率一定城市用地范围内，各类绿化用地总面积占该城市用地面积的百分比。计算公式为城市绿地率（%）=（城市各类绿地总面积/城市总面积）×100%。
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