1.指标>80 时，回档机率大；指标<20 时，反弹机率大；
2.K在20左右向上交叉D时，视为买进信号参考；
3.K在80左右向下交叉D时，视为卖出信号参考；
4.SKDJ波动于50左右的任何讯号，其作用不大。
源码：
LOWV:=LLV(LOW,N);
HIGHV:=HHV(HIGH,N);
RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,M);
K:EMA(RSV,M),colormagenta;
D:MA(K,M),coloryellow;
STICKLINE(K>D , K,D ,2,0),colorred,LINETHICK2;
STICKLINE(D>K,K,D,2,0),colorgreen,LINETHICK2;
DRAWICON(CROSS(K,D),D,'BUY'),colorred;
DRAWICON(CROSS(D,K) ,D ,'SELL'),colorgreen;
逃顶线:90,POINTDOT,,colorgreen;
中轴线: 50,POINTDOT,,colorwhite;
抄底线:10,POINTDOT,,colorred;
DRAWICON(CROSS(K,D) AND K<=50,12,11),colorred;
DRAWICON(CROSS(D,K) AND K>=80,88,4),colorgreen;
