昨天地量:=REF(V,1)<=REF(LLV(vol,60),1);倍量C:=V/REF(V,1)>1.8;收阳C:=C>O;大阳线C:=C/REF(C,1)>1.02;抄底:昨天地量&&倍量C&&收阳C&&大阳线C;