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

2?????????????

3??????

4??????????????

5????????

??9????????????????????????27???????? (???????????? ??????????)?27??,???,????19.4??????????,????????2.77???????????

????????????????,???????????80%,?????15.26???,???20%????????????????????,??????????????????

???????????????10???????????1????????,??10?5????????,??????9????????30??,??,???????????,?????,?????????????

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

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