????11??????????????22???????? ??????????22??????,????????????????????????,????

????????????????????,????,?????????????????????29????????,?????????????????????15????????????????????????,?????????

????????????????????,??????,?????,????????????,???,??????????????818.6????,??????48.8%;???,??488.5???,?78.6%?

“?????????????,??????????,?????,????????????????”???????????? ??????????????:???????????? “????????100?????”????

?? ????:???????????818.6???,???48.8%

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

2??????????

3???????

4?????????

5????????

????11??????????????22???????? ??????????22??????,????????????????????????,????

????????????????????,????,?????????????????????29????????,?????????????????????15????????????????????????,?????????

????????????????????,??????,?????,????????????,???,??????????????818.6????,??????48.8%;???,??488.5???,?78.6%?

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