为创造一个宜人、无隐患的优化景观环境系统提供了基本的安全保障。'）；
To create a pleasant, non-hidden dangers of the optimization of environmental systems to provide basic security.
构建了基于出行结构的城市客运交通环境系统优化模型。
An optimization model was developed for urban traffic environmental system based on passenger trip generating.
构建了基于出行结构的城市客运交通环境系统优化模型。
An optimization model was developed for urban traffic environmental system based on passenger trip generating.
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