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

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

3???????????

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

5?????200?????

??6??17??? (???????? ?????????????????????????????? ?????????????????????????????)???,??“??????????”??????????,????????,?????,??????

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

??????????????????,?????????15%????????????500??????????????????????;??????????????300??,????????????????210???

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

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

??????,??,???????30???,??????2000??????????,????6.1??,?,????,????????????????????????????????

??,??????????????????10??,???3.72????????????????????????,??,?????2.38???????????(????????????)

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