巴甫洛夫给狗喂食，狗会分泌唾液。那就是非条件刺激引起了非条件反射。
When Pavlov put food powder in the dog's mouth, and saliva was generated. That's an unconditioned stimulus giving rise to an unconditioned response.
巴甫洛夫给狗喂食,狗会分泌唾液，这就是无条件刺激引起了无条件反应。
When Pavlov put food powder in the dog's mouth and saliva was generated, that's an unconditioned stimulus giving rise to an unconditioned response.
用具备急性胆瘘的大鼠在人工维持胆汁酸池恒定的条件下，观察LHA微量注射TRH对胆汁分泌的影响。
Under constant intravenous infusion of taurocholate to keep the bile acid pool steady, the effect of LHA injection of TRH on bile secretion was studied in rats with acute bile duct fistulae.
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