名词
中文翻译：Unknown
同义词：
['central point', 'geometric center', 'central figure', 'central position']
例句：
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1. The center of the circle is thepoint where all other points are located.
圆的中心是所有其他点的所在位置。
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2. Thecenter of the room is the focal pointof the conversation.
房间的中心是谈话的焦点。
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3. The center of gravity is the pointat which a body is balanced.
重心是物体平衡的位置。