???2??18????????????????????? ???????????????,??,?????????????,??
?????????????:?????????????
???????«????»????????????
??gif-?????????????????
??2?????????0.4%
??GIF-???????????1??????
????????????????
???????????????????
??!????????4-0?????!
??-4???????????1-2??????
??????????????????????????
??-???????????????2-1??
????????!???????????
???:??????????????????
??????:?????????????
4?7?22?????????
????:????????????????
??gif-?????????????????
????:?????????????????
?????????????????????
????????????????????
???????????300??????(?)
??2?????????0.4%
????:????????????3????????
GIF-????!???????????
??-???????????????2-1??
????3????????:???????