This can be the use of a moving average or other weight-based scheme that moderates extreme values.

这可以是使用一个移动平均量或者使用其他基于权重的模式来中和极端值。

youdao

The further education staff say they are striking because of the government's support for the principles laid out in the Hutton report on public sector pensions - raising contributions, moving to a career average scheme, and linking pension rises to the lower measure of inflation, CPI.

BBC: UK lecturers' strike over pensions disrupts students