He developed the theory of classical conditioning by making a distinction between two sorts of conditioning, two sorts of stimulus response relationships.

他通过区分两种条件作用,两种刺激反应关系，提出了经典条件作用理论。

耶鲁公开课 - 心理学导论课程节选

Now without doubt this is a dubious theory of classical anthropology.

现在毫无疑问这是一个关于古典人类学的可疑学说。

耶鲁公开课 - 弥尔顿课程节选

And they had this feeling because there had just been this huge boon of discovery, of scientific advances that included Newtonian mechanics, it included Dalton's atomic theory of matter, also thermodynamics and classical electromagnetism.

他们会有这样的感觉,是因为他们刚，经历科学上的,大繁荣期，包括牛顿力学,道尔顿物质原子理论，热力学和电磁学,都取得了巨大进展。

麻省理工公开课 - 化学原理课程节选