正曲率的曲面 surface of positive curvature
正态概率曲线 [数] normal probability curve
正曲率子流形 submanifold with positive curvature
正收益率曲线 Positive yield curve
正态频率曲线 [数] normal frequency curve ; normal curve frequency
正切曲率 tangential curvature
曲率校正 [测] curvature correction
曲率校正因子 curvature correction factor
正规曲率半径 normal radius of curvature
正常收益率曲线 normal yield curve
正曲率的宇宙是封闭的宇宙。
If the universe has a positive curvature, it's a closed universe.
不同之处就在于表面的正曲率。
The difference is due to the positive curvature of the surface.
空间可以向球面一样有正的曲率，也可以像马鞍面一样有负的曲率。
Space can have positive curvature, like the surface of a sphere, or negative curvature, like the surface of a saddle.
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