名词
中文翻译：拱的中心角
同义词：
['中心角度，拱的中心线例句：1. The architect carefully measured the central angle of the arch to ensure its stability.（建筑师仔细测量了拱的中心角度以确保其稳定性。）']
例句：
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1. The architect carefully measured the central angle of the arch to ensure its stability.
建筑师仔细测量了拱的中心角度以确保其稳定性。
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2. The construction crew was working diligently to meet the central angle requirement for the bridge.
施工队伍正在努力工作以满足桥梁的中央角度要求。
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3. The engineer calculated the central angle of the arch based on the given dimensions.
工程师根据给定的尺寸计算了拱的中心角度。