美国联邦应急管理署(FEMA)发布了一张用“洪峰基线海拔”(BFE)描绘洪涝频发重灾区轮廓的地图。
The Federal Emergency Management Agency (FEMA) publishes maps that designate Special Flood Hazard Areas delineated by a Base Flood Elevation (BFE).
该文提出了一种根据设计断面中“地基线”和“工程轮廓线”来计算挖填方量的算法。
We present the algorithm according to the configuration line and ground line of cross section.
该文提出了一种根据设计断面中“地基线”和“工程轮廓线”来计算挖填方量的算法。
We present the algorithm according to the configuration line and ground line of cross section.
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