A12:=BArslAST(REF(crOSS("kdj.K","kdJ.D"),1));
B2:=REF(C,A12+1)>C AND REF("KDJ.K",A12+1)<"KDJ.K" AND CROSS("KDJ.K","KDJ.D");
K底背:B2>0;
A12:=BArslAST(REF(crOSS("kdj.K","kdJ.D"),1));
B2:=REF(C,A12+1)>C AND REF("KDJ.K",A12+1)<"KDJ.K" AND CROSS("KDJ.K","KDJ.D");
K底背:B2>0;