名词
中文翻译：排空时间指数
同义词：
['ejection time', 'ejection time index']
例句：
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1.The ejection time index is used to measure the efficiency of a pump's discharge system.
排空时间指数用于测量泵的排放系统的效率。
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2. In this study, we calculated the ejection time index based on the experimental data.
在这项研究中，我们根据实验数据计算了排空时间指数。
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3. The ejection time index was found to be significantly different between the two groups.
发现两组之间的排空时间指数有显著差异。