?1?12??? (? ??)???,1????????12?????05???41????05????42?????,???3.0??????????2.5???,??17????????????28?????????

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

?,???????????1?2??4.8???????4.6???,???,?????????,??,????(???)

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

??

??:???????????,??????????,??????????????