It has a double arch, top and bottom. It's what makes an egg so incredibly strong.

它是双拱形的，上面下面都有。所以才使鸡蛋如此的坚固。

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It includes bent ends of bones, puncture marks, superficial linear marks, peeling, crenulated ends and double arch punctures on the chewed edge.

这种痕迹包括在咬噬边缘上骨骼末端的弯曲、刺穿印记、表面的线性印记、剥落、小圆齿状的末端和双拱形的刺印。

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This paper analyzes the reason of the double arch bridge's damages in theory, combined with the maintenance and reinforcement project of Yellow Dragon bridge.

本论文基于这种思想，结合黄龙大桥的维修加固工程，从理论上对双曲拱桥的病害原因进行分析，并总结了常见的加固方法。

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Red and white industrial rope light strands will grace the Canadian arch portion of the bridge, while red, white, and blue strands will grace the U.S. double-arch portion of the bridge.

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The stock has fared better than arch-rival Coca-Cola, but has still plunged by double-digit percentage points since the beginning of the year.

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