汽车一到高速公路就加速。

Cars speed up once they reach the highway.

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植树工程是高速公路环境绿化工程的重要组成部分，然而苗木移栽的成活率直接影响到高速公路整体绿化效果。

Tree planting is an important part of greening project on expressway. Moreover, the survival rate of nursery stock transplanting will directly influence the overall plant effect on the expressway.

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分隔墙：从内墙到高速公路隔音墙，QuaDror系统将提供与固体立方结构一样的稳定性，但用量减至20%。

Dividing walls: from interior walls to highway sound barriers, the QuaDrorsystem provides the same tremendous stability as a solid cube, while using only 20% of the volume.

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