?????????????????

??,???4.36??????????,????,??????????????????1000????????????19%?

????????????,?????????????5450??????????????,?????????“???”?????????,??????????

???????????????,?????????????????????????????????????????????????????,?????????????????????????????,???????????????,???6453??,???????????????3.9??????????????????????????????

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

???????,????1/5?????,??????????????????????,??“??”???????????????????????,???120????160?,??????????8????,?????????????????????,??????????,??24?????

?????? ????????????:???,????????,???????,????????????1.44?????1.85??,???67%?55%??????

???????941.35????????

????????????,????????,??,???941.35????????,?????????????????????????????????????,?????????????????????????????,??????,????????????????

?????????????,????????????????????7500???,????5???90?????????????????????120???????????,????????????7??????????????????????14???????????,??????????????????

?????????????,???????????????????????????,???????????????????????????????????????2?????????????1?????????????????41101???????,??????????????

??,??????“??????????????”,????,???????????????????,??????????????20%???????,??????????98.7?????????????????????23.6???????????????

????????????????????????? ?????:????,??321?????????????????,?????????????????????????????????????????????????,??? ?????:???????