Over the next several months, unemployment began to subside irregularly, 6.3% down to 6.3% by June 1930.

接下来几个月，失业率开始不规则地降低，直到1930年降到。

斯坦福公开课 - 经济学课程节选

So, this is several months and this logarithmic scale on the Y-axis represents antibody concentration.

这是在几个月内,这里使用的是对数刻度,Y轴代表的是抗体的浓度

耶鲁公开课 - 生物医学工程探索课程节选