b-ball助记

A ball which is thrown up into sky cannot stay in the air forever.B.however high a plane flies, it will come down in the end.

在它前面的两个例子有个共同点：只要是抛向高空的东西最终要落下来。

You weren't happy With my previous approach to dealing with her, So I decided to employ operant conditioning techniques, Building on the works of Thorndike and B.F. Skinner. By this time next week, I believe I can have her jumping out of a pool, Balancing a beach ball on her nose.

我之前对待她的方式，所以我决定采用条件反射的手段。根据Thorndike和B.F.Skinner的理论，下周的这个时候，我就能让她跳出泳池，表演鼻子顶球了。

Methods: One was A-ball whose abutment cooperated in the ball attachment, the other one was B-ball whose abutment separated from the ball attachment.

方法：设计了两种球帽固位体：一种基台与球体为一整体（A-球），另一种基台与球体分离（B-球）。