????????????????

????:????ipad????????:??????

????12???????????????2???????? (???? ??)???????,????????????????????2??,??????8??????????????,????????????

???????«?? ???? ???»?????????9?,???????????????????????????????????????,???????????????,???????????121???896???????,?“????????????????”???????????????????

??????????????,????,??587???600????“????”??????????,?93%?????(???????)?

????????????,?????????????????????????????????????????????????????????????????400?????????????240??,??2.8??????????

?????10?????,????2.5????????????;??????????????????160????,????91?????;?3.5%,?????????????????????(????) ???:??????