????:1??????:????????

2?????????

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

4??????100????

5?????

???2???????????????????17?????????????? (????? ??)???????4.48????????????“????????????????”17??,?????????,???????????

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

???????????????????3.2??????,???????????????????????,????????????????????????????????

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

???,??,????68%???????????,????10??????????????????(??????) ?????????????????:????????