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

2??????????

3??????

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

5??????????

????????????6???????22????????? (?? ?)22????????????10???15??,??????????????????????????????????????????????24?????,??????????????,???

6????????????????21,????,????????? ????????? ????

??,????,6???????20??20?22??7??????????,?,???????????????,?,??,825??50??,??????????18.9%;221???100??,??261.4????39??50??????????????/?,???83.9??????/??(21????????11????12????????????)?

??????,?24?????????????????????????????,??????????(120???????180????),????(??40?60??,?80??)???

6???21??,??? ?? ????????????

6??????????18?,???????????????????,?????????????6?21?,??300??????????,??????????6?21????????????????????5??,?????????????(??????????????????????)

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