名词
中文翻译：外部曲率
同义词：
['external curvature', 'extrinsic geometry']
例句：
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1.The shape of the planet is determined by its external curvature.
行星的形状由其外部曲率决定。
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2. The curved surface of the shell is due to its extrinsic curvature.
贝壳的弯曲表面是由于其外曲率造成的。
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3. The engineer calculated the extrinsic curvature of the bridge using a computer program.
工程师使用计算机程序计算了桥梁的外曲率。