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俄亥俄州巴特尔纪念中心科学家已开发出一种高度敏感的呼吸分析器,可以让研究人员用它来观察患者呼吸中某一特定化学物质的变动趋势。该中心科学家坎尼说,这种呼吸分析器
Scientists at the Battle Memorial Center in Ohio have developed a highly sensitive breath analyzer that allows researchers to use it to observe the changing trend of a particular chemical in the patient’s breathing. The center scientist Canny said the breath analyzer