?1228?ĥ????????????
?????????????????????20???ꡥ????????
?69???????????????y2000????????
????????????????
?????????????????]???????_?
???????????????????????????????30669?????????
????????????1070???322?2172?15?625?22??p?264?
????????????????????t????
???????????????????????
???????????????2?800?????1600??????60%?????5060??????2000?
???????180060%???2.4??????2025?
??
??