有水平拱背和水平的内弧面的互相支撑的拱石的拱。
An arch with mutually supporting voussoirs that has a straight horizontal extrados and intrados.
也就是说,轻微拱背并打开胸廓,而不是单纯移动手臂。
This means that it slightly arches the back and opens the chest, rather than moving the arm.
有一只丹顶鹤展翅拱背,摆出威吓的姿态以纾解拥挤的压力。
One flares its wings and arches its back in a dramatic threat display to relieve the tension of crowding.
采用拱背非均布荷载作用模式,利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。
The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.
她理解到她对生命的胸有成竹只是虚张声势而已,如今生命的最后一刻就要消弭在无意识的拱背哈腰抽搐痉挛之中,像一条河岸上涸辙中的鱼。
She perceived that her life had been not safe but smug, and that she was about to spend the last of it in mindless archings and jerkings, like a fish on a dusty bank.
她理解到她对生命的胸有成竹只是虚张声势而已,如今生命的最后一刻就要消弭在无意识的拱背哈腰抽搐痉挛之中,像一条河岸上涸辙中的鱼。
She perceived that her life had been not safe but smug, and that she was about to spend the last of it in mindless archings and jerkings, like a fish on a dusty bank.
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