指在一定时间内，某种制度和政策保持稳定，不作变动continuous system

• 从1997年下半年起，杭州市取消了几十年一贯制的“专管员管户”制度。

  From the second half of 1997, Hangzhou city government abolished the system which had been used continuously for several decades where each household was given a dedicated administrator.