Just drive down almost any street in the U.S. and you're likely to see "for sale" signs lining the road.
只需要去美国的任何一条街道,你会看到有房屋出售的标签贴在路上。
Plate element is used to simulate tunnel lining, road slab and vertical brace, and spring element simulate the interaction between soil and tunnel.
文中隧道衬砌、路面板和竖向支撑用板单元模拟,土与隧道的共同作用用土弹簧模拟。
The trees lining the road stand bolt upright, just like two green walls.
两边的树笔直笔直的,像两道绿色的墙。
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