????:1??????????????:??100??????

2???????

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

4??????

5?????

????????12??????1??????????? (????? ?????)??????11?30???????????????????????22?25???,??4??????????,?????????????,???“???”???????

????(??)

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

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

“????????????????”:?4?,????????????????????3.8???????????????????????3.35????????????????????

“????????????”:??62?,?“????”?

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

“??”:??,????,????,????,?10%????????????15%?

“??????????”:?,????????????????????????????????,??,??,??75%??????????,?0.3???????,????,??(??)

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