???“????????????”????????

??2????????21???????????? (?????????)????????21?????????,???????????????,?????????,????,????“??????”?????????,??

????????????????,????????????????,??????,??????????;??????,???????????????“??????”?????????,???????;???????????????,??,?????????????????

??????????,???????????????,??????,?????????????????16?,??????????????23?????,????13????????????????????????????35???????????45?,??????????????50%?

??????????????,????????????,????????????????;????????????????,?????????????????????????????????????????,??????1????,??????(????????) ???????????????:???????????????