名词
中文翻译：低于阈值操作
同义词：
['below threshold', "below threshold operation例句：1. This is the first time we've performed a below-threshold operation on this patient.（这是我们第一次对这位患者进行低于阈值的操作。）"]
例句：
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1. This is the first time we've performed a below-threshold operation on this patient.
这是我们第一次对这位患者进行低于阈值的操作。
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2. The researcher conducted an above-threshold analysis of the data.
研究者对数据进行了高于阈值的分析。
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3.The engineers were performing below-threshold maintenance on the machine.
工程师们在对机器进行低于阈值的维护。