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

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

??6??9?? ????????????,?????????????????????????????????????,???????????????????????????????;?????????????????????

?

?????8????6??,????????????????????????????????????????,???????????????,????????247???????????????,??40~75??;????,????????????????(50~80????);????????????8~9????????10????????????

???????

????,?????????????????????????????????????????35~38???,????????39~40.5??

??

(1)????

?????6?????9???????13?,??????????????????,??????????????3~5??,????,??????????????????39~42??

????6?????9??,???????????????????????????????????????35~36???????????????????,?????,????????????????????????????????37~39?,?40???????????????????????6????9??06???????????????

???????????(6????????9?08????-20?????????)

(2)?????

9??12??????,???????????????????????????,??,?????????????????????????????,??;9????,?????????????????????,????????

??,13????-15?,?????????????????????????

????

6?????????9????08????10?????????????????08?????,????????????????????????????????????????????????????????????????????????????????????,????,???????????????????????????????(50~90????)?????5~6??

??(6???????9???08?-10???????????????08???????)

6??????????????10?08?????11????08????,????????????????????????????????????????,?,?????(50~90?????)???????????4~6??????

?????(6????????????10????????08??-11?????08??)

6???????????11??08??12?????????08????,??????????????????????????????????????????????????????????????????????????????????????,???????????,??????????????(50~90????????)?

?????(6?11??08????????????-12?08???????????????)

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