?????????????????·?

??μ????????????125???????13??????????·?????????????????????????????????

??

???????忼?

???????????ù????????????????????????????????????????????й???????????′????????????δ????

?忼???й?????????????Χ??????????????????ó?????гù??????????????????????μ??????λ???????С??????

?У?11????У???λ????????????????????????????????????д?????????贴??????塣

??18???и??????Щ?

??????????????紴?????′??????????????????Щ??????????Ч??????μ?????????????????????????????????????????????з????????????崴????Χ????????′????????????????????????????????????б?????С???????????????????????????棬?á???????

??200У??100?

???????????Щ??

??????????????????????У?????????????????400?????????о????о????????????????????????????????????8??15?

????′??????Щ???

???????????????????????′????2?о????????200?У???2???100??????????????10?40?????????????轱??????????????????

??Ул????

?????л?????Щ??

???????????????????????е???Ул???????????????????к?С???????????????????????????????λ???????λ????????е?λ???Ч??б???????Σ?ɡ????ɡ?????????ι?λ?????ο??

???????????????Щ?

?????У??????????????????????????????????????????У???δ???Э???С???????д?????????????????????????

?????????岿

??????????????????Эй???????Ч??У????????????????????????????????′??????????????????裬?н????????????? ??? 飩