RSV:=(CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100; 攻击线:=SMA(RSV,5,1); 趋势:=SMA(攻击线,3,1); 及时值:(3*攻击线-2*趋势),colorred; 短线:MA(及时值,3); 中线:MA(及时值,5),colorgreen,LINETHICK2; 顶:85; 底部:15;