通过对设计过程的介绍，阐述了基于设计硬点和主断面的车门设计思路。
On the basis of design process introduction, the door design ideas based on hard points and principal sections are elaborated.
在硬岩中中隧道可采用凿岩台车钻眼，进行全断面开挖。
Tunnel in hard rock may be excavated in whole section by using chiseling rock trolley to drill small holes.
计算每个椎间隙处的硬膜囊横断面积。
Thecal sac cross-sectional area was calculated at each disc space.
TB 880e掘进机是根据秦岭隧道的修建条件而从德国WIRTH公司订购的全断面硬岩掘进机。
TB880E hard rock TBM was imported from WIRTH Company of Germany according to the construction condition of Qinling tunnel.
而硬麦籽粒断面胚乳淀粉粒多数破碎，胚乳结构相对致密。
The endosperm structure of the soft wheat was looser than that of the hard wheat.
施加轴向负荷后，椎间盘的厚度在三个活动平面明显减少，同时，硬脊膜囊横断面积在11个平面减少，但不会出现在相同运动平面。
Significant reductions of disc height were found at 3 motion segments and of DCSA at 11 segments after compression, but these changes were never seen in the same motion segment.
施加轴向负荷后，椎间盘的厚度在三个活动平面明显减少，同时，硬脊膜囊横断面积在11个平面减少，但不会出现在相同运动平面。
Significant reductions of disc height were found at 3 motion segments and of DCSA at 11 segments after compression, but these changes were never seen in the same motion segment.
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