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

2???????

3????????

4???????

5???????

????????????12????????????2?????????????????(?? ????????????????????????????? ?)??????????12???????????2?????????????,??????14?56?????,?????????????500????,???????????????,???

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

500??15.194?,???,???????????????,??,???????,?????????

???????,?????????????????????????,??41?,?????????12.1?????,???????????????1.55????????????????????,??,????????????????

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

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

??,?5???2???32?????????????“????????”,??????????????????????,???,?????????????????????????????????????

????????????????????,???????????,???????“????”“????????????????????????+??”??,???????????(??)

????????:??????