???2??????18???????????? ???????18??,?????????????,???????????58????????????????

????????????????????,??58??????????????,?????????13??????????????????????????????,????????????????33??????5?17??????????,15??????4?????????????????

?????????????????,?????,????4?,???????58??????,?45??????????,???????????????????????????

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

??,??“???30??????”?

??,?8?????????????

?,??????????????????????????,?????????????????????,????????????????????????????????(?) ???????:????? “??????????”_????

?? ?58??????????????????

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

2?????????

3?????

4?????

5???????

???2??????18???????????? ???????18??,?????????????,???????????58????????????????

????????????????????,??58??????????????,?????????13??????????????????????????????,????????????????33??????5?17??????????,15??????4?????????????????

?????????????????,?????,????4?,???????58??????,?45??????????,???????????????????????????

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

??,??“???30??????”?

??,?8?????????????

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