??12?22???????? ???????????????22?????,????????????????????,???????????????

??????,12?21?????,????????5.713??????????????,?,???????2.95?????????????????????????????

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

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

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

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

2???????

3???sn??

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

5???????

??12?22???????? ???????????????22?????,????????????????????,???????????????

??????,12?21?????,????????5.713??????????????,?,???????2.95?????????????????????????????

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

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