?? ????????????
????:1???????:????????
2????????????
3????????
4???????
5????????
???1??27?? (????)??27??,????????????????(?????????????)?(?????????????)?,????1??40?50?,??????30???
1??27???????,?????????????????? ??????????????????????,?????,?,???????71.567?????,??,???25.5?,??68?????????????????12?????61.8%,?4???????????1???????????????1??????,?80???
?????????????(??????)???????????????? ?????“??????-?-?-?”??????????,??,??????????????????????????????????????????????(??????????)
????????????????????:???????