T1:=100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5));
T2:=100*(C-LLV(L,10))/(HHV(C,10)-LLV(L,10));
T3:=100*(C-LLV(L,20))/(HHV(C,20)-LLV(L,20));
T4:=100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30));
AA2:=BArslAST(crOSS(50,T1))<3 AND BARSLAST(CROSS(T1,50))<3;
BB2:=BARSLAST(CROSS(T4,T1))<2 AND T1>T4;
黄金:AA2 AND BB2;