???12????????????2????? ????:??“?????????”?????????

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

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

?????????,?????????????????????????????1979?????????,???????70????,?800??

????,??????“???????????????????”????????????????????“????????????????”?????????????????????“?”??????????(?“????”),????????????“????”??????????

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

?,?????????“??????????????????”??????????,???????????,????,???????????????????“?,????????‘???’,???”

???“??”?????????????????1999????,??????,?????????????????????,??????????????????

?????????????,????“?”????,?,??????????,“????”,???????????????????????????????8-10?????????4-6???????????

2004????,???????,2007?????,?????????????????????????,??????????,?????????“??????”?????,????34????,???????????

“??????????????????,??????????????????,?????????5%-10%????????????????,?????????????????50%-60%?”??????????????????“????????????????????????????”??????????????????

?????DNA????,????? ?????????

1984?,???????????????????,????30??????????,????????????80????2000?????

???????????,?????????????????,?????4??????????????????,??????????????????2.5-3???????????????,??????,???????????

????????????10??,?????????“????”??????????“??,???????????‘??’?????????????????????????”?????????????????

??,????“???????????”,??“??”??,????,???4???5??????????????

“????,??????????,????????,??????????”???????????????????????(?????)

?????????????:???? “?????”_????

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

2??????????

3?????????????

4???????????

5?????

???12????????????2????? ????:??“?????????”?????????

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

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

?????????,?????????????????????????????1979?????????,???????70????,?800??

????,??????“???????????????????”????????????????????“????????????????”?????????????????????“?”??????????(?“????”),????????????“????”??????????

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

?,?????????“??????????????????”??????????,???????????,????,???????????????????“?,????????‘???’,???”

???“??”?????????????????1999????,??????,?????????????????????,??????????????????

?????????????,????“?”????,?,??????????,“????”,???????????????????????????????8-10?????????4-6???????????

2004????,???????,2007?????,?????????????????????????,??????????,?????????“??????”?????,????34????,???????????

“??????????????????,??????????????????,?????????5%-10%????????????????,?????????????????50%-60%?”??????????????????“????????????????????????????”??????????????????

?????DNA????,????? ?????????

1984?,???????????????????,????30??????????,????????????80????2000?????

???????????,?????????????????,?????4??????????????????,??????????????????2.5-3???????????????,??????,???????????

????????????10??,?????????“????”??????????“??,???????????‘??’?????????????????????????”?????????????????

??,????“???????????”,??“??”??,????,???4???5??????????????

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