DIFA:=Ema(CLOSE,6)-EMA(CLOSE,13); DEA:=EMA(DIFA,5); RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,3,1); D:=SMA(K,3,1); MK日金叉:=crOSS(DIFA,DEA) AND CROSS(K,D); 白银坑:IF(MK日金叉,2,0);