仅从结构来讲，弹性轮对垂向和轴向刚度的比率是最重要的。
The ratio of its vertical stiffness to lateral stiffness is very important in structure design.
用于架空时，这种光缆还可以做成带松垂光缆的自承式结构。
In case of aerial applications, this cable can be adapted for self-supporting structure with cable slack.
盆地在垂向上表现为明显的多层结构。
The vertical section shows and obvious multiple - layer structure.
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