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

2???????

3???????

4????????

5???????

??7?????????????7????? (???????????? ??????)???7?????????????????,??????15?????????,????????????????(6?30??15?7?????????????7??????????15????????)???72??????,???????????????10????????????

???????????????6??30?????15????????????,??????????????2????????30???????????7????7????19??30??,??,?????,?13??;??53???????

?,??????????????“?”??,??,?????????????,?????,6???????????????????,??????????????????????????????????????

?,???????“???”?,6?????????7?????????????????????????????6??16????????,????????10?,????

??????????????????,????,15%??????,10%????,???????????,?????????????

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

?,???,??,?????????10???????????12?15??????????????????????????????17???,???????0.7?????????????????,?????????????????????????????(?????????) ??:?????