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

2?????

3??????????

4???yp??

5???????????

??????????????????????????6???23?(? ?????????????????)???????????23?,????????????,????6???????????22???????????21?????????????,?1000????,?44.4%,???1000???2????????????,??3??

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

?????,??,??????????1.6????????????????,??6000???????????????,?????6208???????????????

?,???1000?????,??410?,?247??????????,???50%????????20.3%,???????????????????????????

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

??,???,?????????102????????,??????9.3%?????????????4???9????,???21.5???????????,?????15.6????????,???72.5%?(??) ???????:?????????????