Huojia archdam——a miracle in dam construction history
火甲拱坝——坝工历史上的奇迹
the angular distance of a point in an orbit past the point of periapsis measured in degrees.
穿过用角度来测量的进拱点的一个轨道里的某点的角距离。
an arch with a pointed apex.
有一个尖锐的顶点的拱。
a round arch drawn from a single center.
只有一个中心点的圆拱。
a low elliptical or pointed arch; usually drawn from four centers.
一种很低的椭圆拱或尖顶拱；通常有四个中心点。
The Analysis of Foot of Concrete-filled Steel Tubular Arch Bridge;
钢管混凝土系杆拱桥拱脚结点受力分析
Local Stress Analysis of Joint of New Arch Spring of a Composite Truss Arch Bridge
某桁式组合拱桥新拱脚结点局部应力分析
The Design and Construction of Buckle Point of Long Spam Concrete Arch Brige
大跨径混凝土拱桥拱箱扣点设计及施工
a pointed arch; usually has a joint (instead of a keystone) at the apex.
一种尖角拱；在顶点通常有一个接合点（而不是拱心石）。
an acutely pointed arch, like a lance.
像标枪一样，具有很尖的顶点的拱。
Test and Research on Bearing Stress of Tubular Joints Used in Concrete-Filled Steel Tube Arch Bridges;
钢管混凝土拱桥节点承载力试验研究
Random seismic response analysis of long-span arch bridge under three-dimentional multi-supports excitation
大跨拱桥三维多点随机地震响应分析
Construction Gist of Tree-span Continuous Steel-pipe Concrete Arch Bridge
三跨连续钢管混凝土拱桥的施工要点
It is pointed out that the stability of the dam abutment is a key factor affecting the safety of concrete arch dams.
指出可能影响混凝土拱坝安全的关键点为拱坝坝肩的稳定。
Research of the Inner Force of Rigid-Frame Tied Arch Bridge Taking Displacement of Arch-Pier Connection into Account;
刚架系杆拱拱墩结点变位对结构内力影响的研究
Some Discussions on Structural Calculation of X-style Arch Bridge with Composite Beam Deck System of Steel Box Girder Arch Rib
钢箱拱肋组合梁桥面系提篮拱桥结构计算的几点探讨
He might be forty years old; he stooped a little in walking.
他大概有40岁；走起路来，有点儿拱腰曲背。
point formed by two intersecting arcs (as from the intrados of a Gothic arch).
两条弧线的交叉点，如哥特式拱门的内尖顶。
an arch having cusps in the intrados on either side of the apex.
在顶点两侧的内弧面上仍然有尖端的拱。