regression

名词 regression:

1. an abnormal state in which development has stopped prematurely
   同义词：arrested development, fixation, infantile fixation
2. (psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state
3. the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)
   同义词：simple regression, regression toward the mean, statistical regression
4. returning to a former state
   同义词：regress, reversion, retrogression, retroversion

re.gres.sion

n.（名词）
Reversion; retrogression.
恢复；退化
Relapse to a less perfect or developed state.
后退：退回到不完美或较不发达的状态
Psychology Reversion to an earlier or less mature pattern of feeling or behavior.
【心理学】 回归：退回到较早的或较不成熟的感情或行为方式
Biology The return of a population to an earlier or less complex physical type in successive generations.
【生物学】 退化：种群在连续几代中退回以前的或较简单的身体结构
Statistics The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.
【统计学】 回归：随机变量的平均值和相应的一个或多个独立变量的值之间的关系
Astronomy Retrograde motion of a celestial body.
【天文学】 退行：天体的逆行的动态