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

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

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(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???????,?????????????

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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????)

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