[经] quantitative economic policy and planning
shù liàng jīng jì zhèng cè hé jì huà ㄕㄨˋ ㄌㄧㄤˋ ㄐㄧㄥ ㄐㄧˋ ㄓㄥˋ ㄘㄜˋ ㄏㄜˊ ㄐㄧˋ ㄏㄨㄚˋ