名词
中文翻译：Unknown
同义词：
['interval', 'duration', 'span']
例句：
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1. The time space interval between the two events is unknown.
两个事件之间的时间空间间隔未知。
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2. The scientist measured the time space interval of the collision.
科学家测量了碰撞的时间空间间隔。
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3. The researchers found that the time space interval had a significant impact on the outcome.
研究人员发现，时间空间间隔对结果有显著影响。