M:=7;
VAR4:=expma(CLOSE,9);
LDN:=EXPMA(VAR4*0.86,5);
CC:=Abs((2*CLOSE+HIGH+LOW)/4-MA(CLOSE,20))/MA(CLOSE,20);
DD:=DMA(CLOSE,CC);
通道4:=(1-M/100)*DD;
XG:REF(C,1) REF(LDN,1) AND REF(C,1) REF(通道4,1) AND C