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1.The oroid is the center of gravity for this planet's rotation.
这个星球的旋转中心是这个球体。
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2. The oroid is a popular tourist attraction in this region.
这个地区的一个受欢迎的旅游景点。
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3. The oroid was used as a means of communication between different cultures.
这个球体被用作不同文化之间的通信手段。