这是一个多层桥梁的层叠式立交，组成一个复杂的道路网络，让通过两条州际公路的交通保持顺畅。
It's a stack interchange with layers of Bridges making a complicated network of roads allowing smooth flow of traffic though both the interstate highways.
评价是公路网规划理论的一个重要组成部分。
Evaluation is an important component of the theory of highway planning.
公路网合理等级结构的确定，是公路网规划的组成内容之一，也是公路网布局优化的重要组成内容之一。
The determination of the rational highway grade structure is one part of highway network planning, it also is an important content of highway network layout optimization.
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