????:1?????ipad????????:?????

2?????90????????

3????????????

4???????????

5??????

?10??????21????????? (???????????????? ??????)“‘??????’???????????,???????????‘????????’??????????”

????????????150?????????,???????????????“????”??21????????????,?????????

????,???????????????????????“??”?????,??,??????150??????

???????,?????,??????????????????,????1950?????9??????????????????,???????????,????????,?“????????????”???????

????,????????????,?????????;???????????,?????????????????????,????????,????????????????,???,?????????????????,???????????

“????????????????,??????????,??????????”,???????????????????????“???????????”?????????

“????????”????,??????????????????,??????????????????????????,????????????????????????????????,?????

???????????,????“????”,????,??????????,????????????

??????????,?????,??????????,????????????????????,???????????????????????

“????,?????????????????????????”????????,????,???????,?????,?????,??????,?,???????????????“????”????,????????

????,???????1919????:“????????????????,????????????????,????,??????,??????????,???????,??????,?????????????,???????????????”

“??????????????,??????,???????????????????????????????”?????????????????????,“????????”?????????????????????(????) ??????:???????????????