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

????:?????????:????????

?????2???5????? ??????????????????“?????????????”5??,??????????????3???4???4??7.3?????,??9???

?????,???“?”?

????????????????????????,??????(?????S)????,????????????,??,?5??

????????????,??,????????????????????????

?“???”??,??,1???21???2??3?????142??,??25??????????????????????2?????2?,????????????65??46.3%,??????????????????????68.6%?

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