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1. The engineer drew a plan for the new building's floor layout on a flat spherical diagram.
工程师在一张平面球面图上绘制了新大楼楼层布局的规划。
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2. The astronomer used a flat spherical model to explain the motion of the planets.
天文学家使用一个平面球面模型来解释行星的运动。
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3. The architect designed the interior of the building using a flat spherical perspective.
建筑师使用平面球面视角设计了建筑的内部。