[通达信] 买入

	VAR1:=C>O AND REF(C,1)<REF(O,1); VAR2:=C>ABS(REF(O,1)-REF(C,1))/2+REF(C,1); VAR3:=C>REF(O,1); VAR4:=REF(O,1)=REF(H,1); VAR1 AND VAR2 AND VAR3 AND VAR4;