??,??????????????????????????,???????????,???????????????????????????????????????????????????????????????
????,???????????,????
???,???19??????,??“????”,?????,?????????????????????????,??????“?????”,??????????????????,????,??,???????????????????????????,????????????
(??? ????????????????????? ????????????????? ??????????????????????:???????? ????:???)
????:?????
???????????3?????????
????:????????????????
??????????????????
??????????????:??????
????????????????????
??????:?????????????????
????3????????:???????
???CBA????3???8???6???
????????!???????????
??3?4?????????????????
??2?????????0.4%
???:??????????????????
GIF-????!?????????3???
????:????????????????
????:3???????????????
??????????????:??????
????!?3?????9.8?????????
GIF-????!?????????????
??GIF-???????????1??????
GIF-??????????????????
???????\"???\"??9???????
4?7?22?????????
???????\"???\"??9???????
?????????????????????
???:??????????????????