????л??蹤

??????棬?????е3л????????ì???????????л????е??裬?????г?￡г??蹤?????

?????γ?????????й??????蹤??С?λЭ?????·t??γ??蹤???λ?塱?????λ?塱??顢???顢?顢飬????漰?Ρ?????12 32 ????????????????????′?????????????????ε??衰?????λ???????Щ??γ塢?￡????

??????????顢?? 鹦? ? ??н??顢????иЭ?з赥λ???????λ?3 ÷2.9 ??87% ?300 500 ???涨?÷1000 ???顣????????λ??????850 ???57 ???51 ?36 ????71%????????г?????2010 ???2 ?20112012 ?3 ?????

??????????????￥???????????????????д???С????????????????????????????????????????μ??��??????á????????????????á

?Χ??????????壬t??????????96096 ?г?Ρ???Чν????渲??磬24С??????????????Щ?????м???? ?? ??????????????????????????????г??????????С?????

???е???