Does this mean space is shaped like a flat plane, a sphere or a saddle?
是不是这就意味着宇宙的形状就是平面、封闭球体或者马鞍状？
Its patch on the body is white and saddle-shaped.
身体上的斑块是白色，呈马鞍形。
UDEC simulation results show that the porosity of overburden rock fissure field in goaf and its curve is saddle-shaped.
UDEC模拟结果表明，采空区覆岩裂隙区域孔隙率曲线呈鞍状分布。
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