Especially beam is archy, horizontal component of cable tension counteract the thrust of arch springing line.
在此基础上,金石滩悬索桥还将加劲梁做成拱形,用主缆的水平分力抵抗拱脚的推力。
From the view of hierarchy of need, the paper deducted the characteristics that needs are fulfilled and generated the value curves and straight value model of hier-archy of need. The model approved that high degree of need is based on fulfilled basic degree of need.
本文从需要的层次理论出发,论述了人的需要得到满足的特征,给出了需求层次的效用模型和效用曲线,分析了不同层次的需求满足的直观模型。
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