X_4:=(CLOSE-REF(CLOSE,1))/REF(CLOSE,1)*100;
X_8:=VOL;
X_12:=X_4*X_8;
阴线效率:=ABS(SUM(IF(X_120,X_12,0),7);
X_15:=ABS(阴线效率-阳线效率);
X_16:=49;
X_17:=(阴线效率+阳线效率)/2;
X_18:=STDP(MAX(阴线效率,阳线效率),X_16);
X_19:=STDP