在曲线处的内轨和外轨通常打磨成不对称的形状，目的是改善共形接触，增大内外车轮滚动圆的直径差，利于导向。
Curves generally are ground with asymmetric profiles that promote conformal contact in order to take advantage of the rolling radius difference and enhance steering.
提出了求解道岔转辙器部分尖轨与基本轨密贴区域内轮载在两钢轨上分布规律的力学模型与计算方法。
A mechanical model and its calculation method are advanced for calculating the variation regularity of load on the rails of the close contact section between switch point and stock rail.
无缝道岔温度力的特点在于基本轨要承受附加温度力的作用，岔内钢轨受力和位移状况复杂。
The characteristic of the temperature stress in the jointless switch lies in supporting additional temperature stress on the stock rail, the stress and the displacement presents the complex nature.
卫星发射及在轨飞行中，环境变化会影响三线阵c CD相机的内方位元素。
The inner orientation elements of the three-line-array CCD camera are affected by the change of the circumstance during the satellites launching and flying on the orbit.
隧道埋深越大，路基内附加动应力整体水平越低，对轨下结构的影响越小。
The deeper the tunnel is, the lower the whole level of dynamic stresses in roadbed is and the smaller the influence on tunnel is.
隧道埋深越大，路基内附加动应力整体水平越低，对轨下结构的影响越小。
The deeper the tunnel is, the lower the whole level of dynamic stresses in roadbed is and the smaller the influence on tunnel is.
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