In this dissertation, the excavation sequence, altitude difference, net distance, partial pressed angle and built depth are taken into account to analyse the detailed effect to the closely spaced tunnels.
采用平面有限元数值分析方法针对小问距隧道在不同开挖顺序、错台高度、净间距、偏压角度、覆土厚度等情况下进行分析研究，探究这些条件对小间距隧道设计施工的具体影响。
参考来源 - 浅埋偏压错台小间距隧道应力变形分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The rate of community dissimilarity index increased with the increasing the altitude difference.
随着海拔差的增加，群落相似性指数增加率也是不同的。
It is complex to get the two factors in altitude difference method by consulting the "nautical almanac".
利用《航海天文历》查表的方法求取高度差法两要素，过程比较复杂。
It indicated that the altitude changes of MDA, TC and TG could be an important factor of altitude difference in atherosclerosis.
提示血清丙二醛、总胆固醇和甘油三酯的海拔性变化，可能是动脉粥样硬化海拔性差异形成的主要原因之一。
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