RSV:=(CLOSE-LLV(LOW,40))/(HHV(HIGH,40)-LLV(LOW,40))*100;K:=SMA(RSV,18,1);D:=SMA(K,3,1);J:=3*K-2*D;轨道线:=(J+REF(J,1)+REF(J,2)+REF(J,3))/4*(K/D);波谷:CROSS(轨道线,J) AND 轨道线<22;