N:=3;
L0:=0.00;{点位差参数}
L1:=ABS(L-REF(L,1))<=L0;
L2:=ABS(L-REF(L,2))<=L0;
L3:=ABS(L-REF(L,3))<=L0;
L4:=ABS(L-REF(L,4))<=L0;
L5:=ABS(L-REF(L,5))<=L0;
精准线首次:=L1 OR L2 OR L3 OR L4 OR L5;
精准左:=FILT