这是两个选股公式:(一)是选出多头排列选股用;(二)象是空头卖出预**;(一)enterlong: close>ema(close,10) and close>ema(close,60) and vol>ref(vol,1) and ema(close,5)>ema(close,20) and ema(close,10)>ema(close,20) ;(二)exitlong:close<ema(close,20) and vol>ref(vol,1) or close<ema(close,60) ; 20210311