AA1:=IF(REF(C,1)>REF(O,1),(REF(O,1)-REF(L,1)),DRAWNULL); BB1:=IF(REF(O,1)>REF(C,1),(REF(C,1)-REF(L,1)),DRAWNULL); 长针孕小阳:(C-O)>0 AND ((C-O)REF(L,1) AND H