regression [rɪˈɡrɛʃən]

例句:

• Infinite regression, circular reasoning, reduction to absurdity.
  来自SA
• This can cause regression in a pupil's learning process.
  这可能会使学生在学习过程中退步。
  
• The effect of colinearity is to make the regression coefficients unreliable.
  共线性的影响是使回归系数不可靠.
  
• Characteristic defects are of two main types; regression and syneresis.
  特征缺陷主要有两类: 即退化和脱水收缩.
  
• The old rules forced a regression to the mean.
  来自SA
• Is there some kind of regression going on here?
  来自THETIMES