conditioned and unconditioned reflex meaning in English

条件及非条件反射

His most famous experiments , begun in 1889 , demonstrated the conditioned and unconditioned reflexes in dogs , and they had an influence on the development of physiologically orientated behaviourist theories of psychology during the early years of the 20th century
他很多著名的实验，开始于1889年，他用狗来做有条件反射和无条件反射的实验，这对生物学的发展有很大的影响，同时对二十世纪初的心理学理论发展方向有一定的影响作用。