R:=HHV(H,30)-REF(O,30);R1:=C-LLV(L,30);R2:=(HHV(H,30)-LLV(L,30))*2;:(R+R1)/R2*100,colorred ,linethick1;上线:EMA(指数,30)+30,colorgreen ,linethick1;下线:EMA(指数,20)-10,colorgreen ,linethick1;