N:=11;M:=6;距离:=0.18;CV:=CLOSE;:=(MA(CV,3)+MA(CV,6)+MA(CV,12)+MA(CV,24))/4;UPR:=BBIBOLL+M*STD(BBIBOLL,N);DWN:=BBIBOLL-M*STD(BBIBOLL,N);缩口:=(UPR-DWN)/BBIBOLL<=距离;拐头:=UPR>REF(UPR,1) AND BBIBOLL>REF(BBIBOLL,1);XG:REF(缩口,1) AND 拐头;