The parts at the end of the Y's are variable.

形的末端部分是可变的

生物医学工程探索课程节选 : 耶鲁公开课

That's a bell-shaped curve, but it's centered exactly on .2.

这是条钟形曲线,它关于x=0.2对称

金融市场课程节选 : 耶鲁公开课

People have referred to this as a J shaped curve with this little up tick in the left hand side and people--some people have sort of said, well maybe it's not so bad to be overweight because it's not so good to be underweight as well and that's a problem.

人们把这称为J形曲线,最左边有一个向上的弯钩,因此就有人说,也许超重也不一定就是一件坏事,因为体重过轻也不是什么好事,这是个问题

关于食物的心理学、生物学和政治学课程节选 : 耶鲁公开课