Then it introduces the research fruit of road weight types, road impedance function model, intersection delay model, and network reliability.
介绍了道路权重的各种类型、路阻函数模型、交叉口延误模型和路网可靠度的研究成果。
Weight-conscious road bikers will shell out thousands of dollars for carbon-fiber road bikes that are merely a pound (or less) lighter than their cheaper aluminum counterparts.
追求轻量化的公路自行车骑手们会花大把的钱把车子的铝合金配件换成碳的，仅仅是为了减少一磅（甚至是更少）的重量。
Mcadam found that soil itself could bear the weight of the road when it was compacted as long as it was dry.
但是麦克亚当发现只要土壤干燥，压结实后自身就能承受公路的重量。
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