Distance calculation: Given a point, calculate the distance to one or more other points.
距离计算：根据给定点计算它到其他点的距离。
Important points to watch are given below.
必需注意的要点提供于下面。
A brief introduction is given to the main points of light steel structure design.
为此对轻钢结构的设计要点作了介绍。
A brief introduction is given to the main points of light steel structure design.
为此对轻钢结构的设计要点作了介绍。
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