??ж?????????

?????ж????????????????????????????????Ψ???????????????????????????????????????????????????????????Щ?????????

??????????????????????????????????п???(???????????)??

?????????????????????Щ????????????????????????????????9?顣

????????????????????裺?г????????????г??????д??г?????Щ??????п?????衣

Ч?????￡?

?г??????????60????????????cd??3?????

???????????????Χ?г???30%??????????cd??15????

???г??????????300????????????cd??20?????

?????????????????????????????

??????????г??????????е??????????????????????????檔????????????г??????????????

?г???????????????????г????????????????Χ??1???г??????????????????????1?????г?????????ξ???????2?????????1?????г??????????г???????????????????????????г????????????????????????????г??????????????????????????????????????????????????????????????????????????????г???