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

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

?10???????????????6? ????,?,????,?????????;6?7??,?????,????????

?

6?-7?????,????,???????????????????????????3~6?,????????????????8?,????????,??,????????,?,?????????????????4??????????????,??6~7????????????

?,6????-8?,?????????????,???

???????

10????????????????6??8?????7????????8??,??????????????????????????????????????,????,????????????(50~80??????????????)????????4~6??

???????????(10?6????????8?????????????????-7?8?????)

10?????7??8??????8?8?,???????????????????????????????,?,?????(50~70??)????????????????????????????????????4~5??????

?(10???????7?????8?????????????-8?8?????????????)

10?????????????8???8????????9????8????,??????????????????????????????????,????,?(50~90?)???????????4~6?,??,????????????????6~7?????

??????(10??8???????????8????-9??8??????????????) ??????:??????????