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

2???????????

3??????????

4??????

5?????????

????????????9?27? (? ???)????27????,???,???????????19.4?,???2.77??????

??????????,?????????80%,?????????????????15.26?,????????20%????????????,???????????

???????????????10????????1????????,??10????????????????????????5?????????,??????9??30???,??????????,?????????????,??,???

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

???,????????????????????????????????,??????????????,????????????????,?????????????????????????????????,???(??) ?????????????:??????????