X_1:=REF(HIGH,20)=HHV(HIGH,2*20+1);X_2:=FILTER(X_1,20);X_3:=BACKSET(X_2,20+1);X_4:=FILTER(X_3,20);X_5:=REF(HIGH,BARSLAST(X_4));X_6:=VOL/REF(VOL,1)>=1.4;突破前高:CROSS(CLOSE,X_5) AND X_6;