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

2?????????

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

4???????

5?????sn

?????????????????(??):??,???,?????,?????

????

??,??????????????????????,????????????????????,???????????31???????,??????1?????????

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

??????????,???????27?????,???????????????????,??????????????????????70?????????27?????,????????????????????????????,????“????”?????

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

11???????26??????,??????????“???????”??????????????????????????????????,??????????????????,??????????????????

??,????????,????????????????,???????2890??,??????625????????????,?,?,???

????,?????????T3???,?????5000?????????,????????90?????????????,????????????,?????????????????3??????????,????????? ??:?????????????????????????