名词
中文翻译：保持时间
同义词：
['holding time', 'retention period例句：1. The experiment lasted for three hours and required a high level of precision.（这个实验持续了三个小时，需要高度的精确度。）']
例句：
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1. The experiment lasted for three hours and required a high level of precision.
这个实验持续了三个小时，需要高度的精确度。
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2. The data collected during the experiment will be analyzed to determine the retention time.
在实验中收集的数据将被分析以确定保留时间。
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3.The patient's condition improved significantly after several days of treatment, indicating that the drug had a good retention time.
经过几天的治疗，患者的病情显著改善，这表明药物具有良好的保留时间。