?(????)??????????

??

?2???????????4????? ???????????:?????????????2???3??,??(?????????)????????,?????????????????“M23????????????????”?(??)???????????????,?????2?????4???

?,???????,?,??????900??????“M23???????????”?(???????????)?,?????2900?????

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

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

???????,????(????)??????????,?????????“M23?????????”??,????????,?(?)??“M23???????”??????????????(??)??,???????????1994??

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

?????????

??????(????)???????????????

????????