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ڭhҪԽԽߵĽ죬ȼúȼ⡢ȼ͟ˮ偠tʹã偠tЧ^ʹMÓ߲£̫ͬܟˮӰ^ͨ՚ԴßˮˮزܝMҪֿ՚ܸߜ؟ˮCMˮ偠taƷƷ 1푑cԴo͇ҹܭhߣ 2.®aƷpٶ̼ŷţʡԴ 3.ӟrgͬl£҂ijˮijƷƶ52.7%Ϲʡ28.5% 4.ˮͬl£҂ļӟrgijˮƷƹʡ48.2%ʡ7.1% 5.ÑȫCϵyˮȫxOӋˮ^вF©늵Ȱȫ[κoӟ˸ɟFl |
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V|ʡ|ݸ像S ֿ՚ܸߜ؟ˮQ,rOӋĜضҪ_90棬ߜ؟ßˮȫȫy늼ӟֻǰߵ40%ҡһɞ像SʡϰfM ĿǰAy 10Tˮ/ÿӋy늼ӟҪ1000ҵ늣ֻҪ400ҡһʡ20fҵMOЧܣȫh\У茣ֵءɝM㳣ҎIˮҪҲɝM㹤Iĸߜ؟ˮҪ籾S僡ϴߜҪʹãaɱһĹܮaƷ |
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㽭ӡȾS ӡȾSҪõ60-80ȵĸߜ؟ˮֵĸߜ؟ÿЧṩ85ĸߜ؟ˮҼFӡȾSƯȾSȾSSȵĹIˮøߜ؟ügԽaɱs늼ӟ1/4Mãஔȼͼӟ1/3MáֵĮaƷܝM⣡ (؟ξ) |