... 双曲型方程组 hyperbolic system 双曲扁壳 double curved shell 双曲抛物线 hyperbolic parabola ...
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double-curved flat shell 双曲扁壳
double curved cupola shell 双曲圆顶薄壳
double-curved shallow shell gate 双曲扁壳闸门
linear double-curved shallow shell 线性双曲扁壳
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The curved concrete walls and floors arch up and outward, deriving their structural integrity from their shell-like double curvature.
弯曲的水泥墙和地板向外拱起，使双曲型的外壳结构得以完整。
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