First they recorded the purrs of 10 cats; some were recorded when a cat was actively soliciting food and others in a non-solicitation setting.
首先他们录下了十只猫的呼噜声，其中有的是在猫要食物的时候记录的，其他的是在别的状态下记录的。
Gastric volumes were recorded in 31 anesthetized cats by balloons inserted into the stomachs through esophageal incisions.
用31只猫在麻醉后由颈部食道切口送入气囊至胃记录其容积变化。
Gastric volumes were recorded in 31 anesthetized cats by balloons inserted into the stomachs through esophageal incisions.
用31只猫在麻醉后由颈部食道切口送入气囊至胃记录其容积变化。
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