RSV:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100; K:=SMA(RSV,3,1); D:=SMA(K,3,1); J:=3*K-2*D; X:=LLV(J,2)=LLV(J,8); 短进:crOSS(J,REF(J+0.01,1)) AND X AND J<20;