N:(2,100,7)
M:(2,100,5)

VAR1:=(CLOSE-LLV(LOW,60))/(HHV(HIGH,60)-LLV(LOW,60))*80; 
B:SMA(VAR1,N,1); 
VAR2:SMA(B,M,1); 
抓起点:IF(CROSS(B,VAR2) AND B<40,50,0);