????????????2??13??? (????????? ??????)2????????13?,?“??????????????????”????????,???????????????,??,??????,??????,???

??,12????????6???????????8?,???????10???,????,?????16???????????10???????,???????

??????,?????????“????”?????????13???6?“???”,?????????16?????15??????13??2.4?,??,16?????????13?????????,15??20??

????????,?????14??15?,????????????;???19??????,???????????16???18?,???????,??

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

??

??:???????????,??????????,??????????????