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

2??????498??????

3??????????100????

4?????

5????????

?????????????????12??????4??? ???,??3????????????????????????,????????????4??????????5????(NCG)??????????(TTX)???,???????

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

??

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

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

??????3??????????,????,??????6??????????4??????????????4???????????30???? ??????????:????????????????????