????·?????§???¨????±?????o§???é?????????§???¨????±?????????·???a???±±???é??é?μè??é?¢??????????3¨????2??o-???é?????????±??????ˉ????§???¨???????-? 12?1′????o§???éa??????·?????′?????????
?????????è′§?o-??ˉ???????o§?°?????-??????·??????é?¨????????????????o-?-?????????¨?o??°???oé?????????°?????????????è·ˉè?1???è???°′?????????????????±??o???é??????¥?è??????°′?-????????????????????????-é??????°′???é£??????????????o-?-??-???????è??é????¨???é?¢??????é?????????????????é??é?¢???????????????????????????????¤§?°???ˉ??1???è?aèo??????o??°?¤§?°?è??????????ˉ??¥èˉ·?ooè??è??????o§???è??è???????a?¥???????è′§?o-?????ˉ??¥????????|??¥??′?¤??????3?????°????????????è???1′??¥???è′§?o-?????°é???????-?????¨è?|???????????-????????oé?¨??£????°???oé?¨??£é???¤???ˉè§??????1????o??1??¤§????°??????????é?¤?o???¥??????????????¤?§????è′¨???è????????é?¢??????????2??o-é?2?°′??§è???1???ˉ????¥???????é??è|??3¨????????ˉ????2??o-???é?2?°′??§è???????a????????????è′¨???è??è???????±???????1?????2??o-???????·¥è?o?????±????????a???è???????????????·¥è?o???è????????é??é?¢?2??o-????2?????2??o-??????????°′??????é??é?μè??é?¢?μ·?o?????2??o-??ˉ??????????2??o-???????????¥????????ˉ?2??1??????°?ˉ??????¢é????¥????????????????3?,???é???ˉ??o§?2??o-é?2?°′??§è??è??????????′?¤?èˉ|???èˉ·è?′??μ?±±???é??é?μ?2??o-???
????·?????§???¨????±?????o§???é?????????§???¨????±?????????·???a???±±???é??é?μè??é?¢??????????3¨????2??o-???é?????????±??????ˉ????§???¨???????-? 12?1′????o§???éa??????·?????′?????????
??????5???????????¥?????????è????¨??°é?¢??????è??????2??o-?¥???ˉ???80-100mm????o?è?????è????·???????o?é?2??????é?2è?????é?2é?¨?°′????????¨????|????é????°???é?¨?¤????é?¨?°′?????????é?¢??????é?′é???o?????o-?-??????????????ˉ1?o-?-??ˉ?????????|??¥????¤§??±???????????-?????o?????????é??????????£???????±???????è′1è????????è′1?????μ?????????????¤?è|???°??????????????¥?o·??ˉ????????±????o§?????′????????°?????????é??????????¨????¢3?????ˉ??????è?????????????±???????????¨????o§è???¨???-è?????é???3¨é???????????????o§????·¥è?o???????????°???è??????????????????????1???????????ˉ??????????¢3????????μ?????????è???????°??????????????°??¨??′??aè??????????±???????1??¨?????????°?o???±???????????ˉ???è??????°??±???-??????????o??oo??????è????§????????oè???§????é??é?μè??é?¢????o-????????1????????¨???è??????????1???é?????é??????????°????????°??1?????¨???è????????????????????è???§????é??é?μè??é?¢????2??o-?o§????o?????°???????é??é?¢è?????é?????é????¨???解??3?o??·¥????oo?????o??????é???±?é??é¢??????ˉ??¥???èˉ???¨???????¤?????????????è????ˉ??¥???èˉ??????°é????????é?????é??è???¤????????2??o-???????????¨é?????a???2??o-?????·??????é??a??é?·é?±?????o???????2??o-????o§????????????????±±???é??é?μ?2??o-???????????o?2??o-è????????è????????????????????????ˉ?????????¨??·é??è???¤?è′-?1°??°?§°????|????????2??o-?o§????????????????????°????o???¢??·??¨è????aè???????-?????o????o?????????????é???????μè???????????éa???????????°±a???2??o-?????·??????é??a????¥??o?¤§????????a?-£??????????ˉ????????????¨??¥????¤§????????¨è????1é?¢???é?·è????????