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自改的kdj
RSV:=(CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
短线:ma(j,5);
中线:MA(k,7);
长线:ma(d,25),Linethick2;
DRAWTEXT(CROSS(短线,长线) ,长线+0.19,强);
DRAWTEXT(CROSS(短线,中线) ,短线-0.03,买);
DRAWTEXT(CROSS(长线,短线),长线-0.03,卖)
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