L1:=LLV(HIGH,A); H1:=HHV(L,A); C1:=(H1+L1)/2; D1:=LLV(HIGH,A); 主力成本:=Ema((2*C+H+L)/4,B),COLOR6633FF,LINETHICK2; RC:=DYNAINFO(3); S2:=SMA(C,3,1); S6:=SMA(C,5,1); DK:=2*(S2-S6);