??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%?

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