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A1:=(CLOSE-LLV(LOW,7))/(HHV(HIGH,7)-LLV(LOW,7))*100;
K:=MA(3*SMA(A1,6,1)-2*SMA(SMA(A1,5,1),5,1),3);
D:=MA(K,3);
A5:=MA(3*SMA((C-LLV(L,21))/(HHV(H,21)-LLV(L,21))*100,5,1)-2*SMA(SMA((C-LLV(L,21))/(HHV(H,21)-LLV(L,21))*100,5,1),3,1),3);
A8:=BARSLAST(REF(CROSS(K,D),1));
二次金叉:(A8<15 AND D<50 AND K>REF(K,A8+1) AND CROSS(K,D)AND A5<60);