var1:=ref((low+open+close+high)/4,1);var2:=sma(abs(low-var1),13,1)/sma(max(low-var1,0),10,1);var3:=ema(var2,10);var4:=llv(low,33);var5:=ema(if(low,var3,0),3);主力进场:=if(var5>ref(var5,1),var5,0);洗盘:=if(var5(var5,1),var5,0);ref(主力进场,1)>0 and 洗盘>0; 20210311