??6.4???????????27? ????

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

???????????????????1??21?? ?????????,21???????????????17???????,?????6.4???????????????????,?27??,????

?????????????????,?11?,???55???????????????????????,????????????????????5??

????????????????,???????,??????????????????,????????????????????,?????????,???????????,???4?????10???

??????????,??????????????????10?????????????????????????????,????22??????????????,???????????????

????????????????,????????,????????????????21??????????????????,?????????,???????????,????????,???(???????) ??????:??????