?? ?58??????????????????
![](http://n.sinaimg.cn/news/1_ori/dfic/2b0c102b/152/w1024h728/20180702/3V_S-hespqry3543721.jpg)
????:1?????????:?????100?????
2?????????
3????????
4?????
5?????????
??????????????????2????????????????18???????????????? ??????18?,?????????,???58??????
?????????????????,??????58??,????13?????????????????,????????????????33??5??????????????????????????17?????????,15??????4???????
?,??????????,?????????4??????,?????????58??,???45??????????,????
????????,??????????,?????????????????????????????????(MMR????????????????????)????????????????????????,??
???,??“??30????????”?
?,?????8??????????????????
???????????,???????????????????,????????????????????????????????,?????????????????????(??) ??:????