DroidKaigi公式アプリOSS成功要因

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%SPJE,BJHJެࣜΞϓϦ 044੒ޭཁҼ ౔ !LPOJGBS :"1$"TJB)BDIJPKJ

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͜ʹ;͊ʔ !LPOJGBS

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͜ʹ;͊ʔ !LPOJGBS ESPJELBJHJ

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"OESPJEΛ΍ͬͯΔਓʁ

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044ʹڵຯ͕͋Δਓʁ

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%SPJE,BJHJ w "OESPJEٕज़৘ใͷڞ༗ͱίϛϡχέʔγϣϯ͕໨తͷ "OESPJE։ൃऀͷͨΊͷΧϯϑΝϨϯε w ʢ໦ʣɺʢۚʣʹ։࠵

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ެࣜΞϓϦ࡞Γ·ͨ͠   ΦʔϓϯιʔεͰ%SPJE,BJHJͷΧϯϑΝϨϯεΞ ϓϦ࡞ͬͯΔ IUUQLPOJGBSIBUFOBCMPHDPNFOUSZ

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લ໷ࡇͷΑ͏ͳੌ·͍͡੝Γ্͕Γ

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(PPHMF*0ͷΞϓϦʹ΋ෛ͚ͯͳ͍

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(JU)VCͷ1VODIDBSE

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ϲ݄ܦͬͨࠓͰ΋ଓ͍͍ͯΔ

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ؖࠃޠαϙʔτ 5IBOLT!1MVV

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ܧଓతͳϥΠϒϥϦΞοϓσʔτ 5IBOLT!TIBVOLBXBOP

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ͳͥ͜Μͳʹ੝Γ্͕ͬͨͷ͔

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ʮࠓࢥ͑͹͋Ε͕Α͔ͬͨͳ͊ʯ ͱࢥ͑Δ͜ͱΛ͍͔ͭ͘੔ཧͨ͠ͷͰ ͦͷ࿩Λ͠·͢

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%SPJE,BJHJެࣜΞϓϦ 044੒ޭཁҼ ʢ͔ͩͬͨ΋͠Εͳ͍࿩ʣ

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-BCFMͱ.JMFTUPOFΛ׆༻͢Δ $POUSJCVUFͷෑډΛԼ͛Δ ӳޠͰ΍ΓͱΓ͢Δ ϨϏϡʔΛߴ଎ʹճ͢ ༷ʑͳखஈͰ஌ͬͯ΋Β͏

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-BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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*TTVF͕͋ͬͯ΋ͲΕΛ΍Ε͹͍͍͔ Θ͔Βͳ͍ͱखΛ͚ͭʹ͍͘໰୊ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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༏ઌ౓ͷΘ͔Δ-BCFM -BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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༏ઌ౓ͷΘ͔Δ-BCFM -BCFMͱ.JMFTUPOFΛ׆༻͢Δ छྨͰ͸ͳ͘ ༏ઌ౓Λද͢ϥϕϧ͸ ೱ͍৭ʹ͍ͯ͠Δ

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༏ઌ౓ͷΘ͔Δ-BCFM -BCFMͱ.JMFTUPOFΛ׆༻͢Δ XFMDPNFDPOUSJCVUFMBCFM

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XFMDPNFDPOUSJCVUFMBCFM -BCFMͱ.JMFTUPOFΛ׆༻͢Δ w DPOUSJCVUFͯ͠΄͍͠*TTVFʹ͜ͷϥϕϧΛ͚͓ͭͯ͘ w ݟͨਓ͕ͲΕΛ΍ͬͨΒ͍͍͔ͻͱ໨ͰΘ͔Δ w XFMDPNFײ͕ग़ͯऔΓ΍͍͢

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XFMDPNFDPOUSJCVUFMBCFM -BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ w (JU)VCͱ࿈ܞͯ͠*TTVFͱ1VMMSFRVFTUΛΧϯόϯԽ  IUUQTXB⒐FJPLPOJGBSESPJELBJHJ w ;FO)VCͰ΋͍͍͕ɺXB⒐FJP͸ແྉͩ͠ϦϯΫΛ஌ͬ ͍ͯΕ͹͙͢࢖͑Δͱ͍͏ख͕ܰ͋͞Δ

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ *TTVFΛ্͛ͨΒ #BDLMPHʹೖΔ

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ ΍ΔͧͱܾΊͨΒ 3FBEZ΁ υϥοάυϩοϓ

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ ୭͔͕΍Γ࢝ΊͨΒ *O1SPHSFTT΁

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ Ϋϩʔζͨ͠Β %POFʹೖΔ

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XB⒐FJPʢΧϯόϯʣ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ .JMFTUPOF΋ՄࢹԽ

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.JMFTUPOF -BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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.JMFTUPOF -BCFMͱ.JMFTUPOFΛ׆༻͢Δ όʔδϣϯ͝ͱʹ੾ͬͯ ೔ʹͪ΋ೖΕ͓ͯ͘͜ͱͰ క੾ΛՄࢹԽͰ͖Δ

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-BCFMͱ.JMFTUPOFΛ׆༻͢Δ͜ͱͰ ԿΛ͍ͭ·Ͱʹ΍Ε͹͍͍͔͕໌֬ʹͳΓ ͱ͖ͬͭ΍͘͢ͳΔ -BCFMͱ.JMFTUPOFΛ׆༻͢Δ

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$POUSJCVUFͷෑډΛԼ͛Δ

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$POUSJCVUFʹ͸༐ؾ͕͍Δ $POUSJCVUFͷෑډΛԼ͛Δ w ʮͳΜ͔೉ͦ͠͏ʜʯ w ʮ͜ΜͳγϣϘ͍ͷ্͛ͯେৎ෉͔ͳʜʯ w ʮϨϏϡʔͰ໎࿭͔͚ͨΒͲ͏͠Α͏ʜʯ w ʮࣗ෼ͳΜ͔͕΍ΔΑΓଞͷਓ͕΍ͬͨํ͕ʜʯ

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*TTVFͷཻ౓Λখ͘͞ $POUSJCVUFͷෑډΛԼ͛Δ w ෼͘Β͍ͰͰ͖ͦ͏ͳϨϕϧͷ΋ͷ΋ॻ͍͓ͯ͘ w ʮ͜Ε͘Β͍ͳΒࣗ෼Ͱ΋Ͱ͖ͦ͏ͩʯͱࢥͬͯ΋Β͏

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༨നͷௐ੔ͱ͔ $POUSJCVUFͷෑډΛԼ͛Δ IUUQTHJUIVCDPNLPOJGBSESPJELBJHJJTTVFT

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ఆظతͳ*TTVFͷ୨Է͠ $POUSJCVUFͷෑډΛԼ͛Δ w ݹ͍*TTVFΛΫϩʔζ͢Δ w ৽ͨʹग़͖ͯͨ*TTVFΛҰؾʹॻ͖ग़͢ w XFMDPNFDPOUSJCVUFϥϕϧΛషΓ௚͢ w ৗʹ࠷৽ʹอͭ͜ͱͰ$POUSJCVUPSͷࠞཚΛগͳ͘͢Δ

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,PUMJOԽͷΫϩʔζ $POUSJCVUFͷෑډΛԼ͛Δ IUUQTHJUIVCDPNLPOJGBSESPJELBJHJQVMM

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ࣗ෼ͰͰ͖ͳ͍͜ͱ΋ॻ͍͓ͯ͘ $POUSJCVUFͷෑډΛԼ͛Δ w ʮ͜͏͍͏͜ͱ͍ͨ͠ʯͱ͍͏*TTVF΋ॻ͍͓ͯ͘΂͖ w "OESPJEͷ৔߹ɺਓʹΑͬͯৄ͍͠෼໺͕ҧ͏͜ͱ΋͋Δ ͷͰɺͦͷํ͕$POUSJCVUF͠΍͘͢ͳΔ

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ϥΠϒϥϦ࡞ऀ͔Βͷ$POUSJCVUF $POUSJCVUFͷෑډΛԼ͛Δ

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$POUSJCVUFͷෑډΛԼ͛Δ $POUSJCVUPSTΫϨδοτ   $POUSJCVUPSTͷօ͞Μ΁ͷѹ౗తײँΛܗʹͨͯ͘͠ *TTVFʹͨ͠Βɺ!HPUPLBUTVZB͕࡞ͬͯ͘Εͨ IUUQTHJUIVCDPNLPOJGBSESPJELBJHJJTTVFT $POUSJCVUF͢ΔࡍͷϞνϕʔγϣϯʹͳΔ

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$POUSJCVUFʹ͸༐ؾ͕͍ΔͷͰ ʮࢲͰ΋Ͱ͖ͦ͏ʯ ʮͳΜָ͔ͦ͠͏ʯ ʮ$POUSJCVUFͯ͠ΈΑ͏͔ͳʯ ͱࢥͬͯ΋Β͑ΔΑ͏ʹ޻෉͠·͠ΐ͏ $POUSJCVUFͷෑډΛԼ͛Δ

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ӳޠͰ΍ΓͱΓ͢Δ

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2ෑډΛԼ͛Δͱ͔ݴ͓͖ͬͯͳ͕Β ͳΜͰӳޠͳͷʁ ӳޠͰ΍ΓͱΓ͢Δ

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"ւ֎͔Βͷ$POUSJCVUF͋Δ͔ͳͱ ࢥ͍ͬͯͨʢͳ͔ͬͨʣ ӳޠͰ΍ΓͱΓ͢Δ

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ӳޠͷํ͕ςϯγϣϯ্͕͕Δ ӳޠͰ΍ΓͱΓ͢Δ IUUQTHJUIVCDPNLPOJGBSBOESPJE NBUFSJBMEFTJHOJDPOHFOFSBUPS QMVHJOJTTVFT

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ӳޠͰ΍ΓͱΓ͢Δ

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ӳޠͰ΍ΓͱΓ͢Δ IUUQTHJUIVCDPNLPOJGBSESPJELBJHJQVMM

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ӳޠͰ΍ΓͱΓ͢Δ

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ӳޠͰ΍ΓͱΓ͢Δ ೔ຊޠͷ࣌ΑΓΈΜͳ༏͍͠ؾ͕͢Δ ʢ݁Ռతʹ΍ͬͯΑ͔ͬͨʣ

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΋ͪΖΜ೔ຊޠͰ΋શવ໰୊ͳ͠ ӳޠͰ΍ΓͱΓ͢Δ IUUQTHJUIVCDPNLPOJGBSZBQDBTJBTDFOBSJPJTTVFT JTTVFDPNNFOU

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ւ֎͔Β΋൓ڹ͸͋ͬͨ ӳޠͰ΍ΓͱΓ͢Δ w ؖࠃޠͷ຋༁αϙʔτ w ΠϯυͷΧϯϑΝϨϯεͷެࣜΞϓϦͱͯ͠࢖͍͍͔ͨ Β'PSLͤͯ͘͞Εͱͷ࿈བྷ w %SPJEDPO5VOJTJBͷΧϯϑΝϨϯεΞϓϦ΋ӨڹΛड͚ ͍ͯΔΒ͍͠  IUUQTHJUIVCDPN/JMIDFNESPJEDPOUO

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࠷ߴͷײ૝*TTVF ӳޠͰ΍ΓͱΓ͢Δ

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ϨϏϡʔΛߴ଎ʹճ͢

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$POUSJCVUPSʹͱͬͯҰ൪ͭΒ͍ͷ͸ ࣗ෼ͷ*TTVF΍13͕์ஔ͞ΕΔ͜ͱ ϨϏϡʔΛߴ଎ʹճ͢

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͍ͭͰ΋ݟͯΔײΛग़͢ ϨϏϡʔΛߴ଎ʹճ͢

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͍ͭͰ΋ݟͯΔײΛग़͢ ϨϏϡʔΛߴ଎ʹճ͢ 13͕དྷͨΒ͙͢ʹʮݟͯΔΑʯ ͷFZFTίϝϯτ

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͍ͭͰ΋ݟͯΔײΛग़͢ ϨϏϡʔΛߴ଎ʹճ͢ ؆୯ͳ΋ͷͩͬͨΒ͙͢ʹ֬ೝ ͯ͠ײँͷϦΞΫγϣϯ

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͍ͭͰ΋ݟͯΔײΛग़͢ ϨϏϡʔΛߴ଎ʹճ͢ 0,ͳΒ଎߈ͰϚʔδ ૣ͍ͱ13དྷ͔ͯΒ෼͘Β͍

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൑அʹ໎͏13ΛͲ͏ѻ͑͹͍͍͔ ϨϏϡʔΛߴ଎ʹճ͢

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൑அʹ໎͏ϨϏϡʔͰͷࣦഊ ϨϏϡʔΛߴ଎ʹճ͢

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൑அʹ໎ͬͯ΋์ஔ͸μϝ ϨϏϡʔΛߴ଎ʹճ͢ w ൑அʹ໎ͬͨͱͯ͠΋ɺԿ΋ϦΞΫγϣϯͳ͍ͷ͸μϝ w 1VMMSFRVFTUͳΒɺͱΓ͋͑ͣϚʔδ͔ΫϩʔζͷͲͪΒ ͔ͷҙࢥΛࣔ͢͜ͱ w Ͳ͏ͯ͠΋͙͢ʹ൑அͰ͖ͳ͚Ε͹ͦͷࢫΛίϝϯτʹ ࢒͢΂͖

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ࡉ͔͍ͱ͜Ζ͸ؾʹ͠ͳ͍ ϨϏϡʔΛߴ଎ʹճ͢ w ࡉ͔͍ม਺໊΍ϑΥʔϚοτ่Ε͸ؾʹͤͣϚʔδ͢Δ w ؾʹͳͬͨΒޙͰࣗ෼Ͱ௚ͨ͠ํ͕ૣ͍ w ৗʹεϐʔυ༏ઌɺԿ͔͋Ε͹ޙͰ௚͢ͱ͍͏ҙࣝ

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໎Θͳ͍ύοέʔδߏ੒ ϨϏϡʔΛߴ଎ʹճ͢ w "OESPJEͰ͸ϕετͳύοέʔδߏ੒͕ܾ·͍ͬͯͳ͍ɻ .77.ɺ.71ɺ͸ͨ·ͨ%%%ͳͲɺઃܭʹΑͬͯ·ͪ ·ͪ w ਖ਼ղ͸ͳ͍͕ɺ$POUSJCVUPS͕ΫϥεΛ୳࣌͢΍৽ͨʹ࡞ Γ͍ͨ࣌ʹ໎Θͳ͍ߏ੒Λҙࣝͨ͠

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໎Θͳ͍ύοέʔδߏ੒ ϨϏϡʔΛߴ଎ʹճ͢

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໎Θͳ͍ύοέʔδߏ੒ ϨϏϡʔΛߴ଎ʹճ͢ ʮ"DUJWJUZ͸શ෦͜͜ʹ͸͍ͬͯΔͷͶʯ ʮ.PEFM௥Ճ͍ͨ࣌͠͸͜͜ʹೖΕΔͷͶʯ

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$POUSJCVUPS͔ΒͷΞΫγϣϯʹ͸ ѹ౗తײँΛ࣋ͬͯ଎߈ϨϏϡʔ͢Δ 044Ͱ௕ظؒͷϞνϕʔγϣϯΛอͭͷ͸ ΘΓͱ೉͍͠ͷͰεϐʔυײେࣄ ϨϏϡʔΛߴ଎ʹճ͢

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༷ʑͳखஈͰ஌ͬͯ΋Β͏

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प஌͠ͳ͚Ε͹ ୭ʹ΋஫໨͞Εͣ$POUSJCVUF΋ͳ͍ ༷ʑͳखஈͰ஌ͬͯ΋Β͏

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༷ʑͳखஈΛ࢖ͬͯ ·ͣ஌ͬͯ΋Β͏͜ͱ͕େࣄ ༷ʑͳखஈͰ஌ͬͯ΋Β͏

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%SPJE,BJHJެࣜΞϓϦͷ৔߹ ༷ʑͳखஈͰ஌ͬͯ΋Β͏ "OESPJE"STFOBM  "OESPJEͷϥΠϒϥϦ΍ΞϓϦΛ঺հͯ͠ΔαʔϏε (PPHMF  "OESPJE͔ͩΒ͔΋͠Εͳ͍͕ɺ"OESPJEؔ࿈άϧʔϓʹϙετ͢Δͱ  ւ֎ͷਓʹͨ͘͞Μݟͯ΋Β͑Δ 5XJUUFSɺ'BDFCPPLɺϒϩά  %SPJE,BJHJͷެࣜ5XJUUFSͰप஌ͯ͠΋Β͑ͨͷ͸େ͖͔ͬͨɻ  ೔ຊͩͱ5XJUUFS΍ϒϩάͰ΋݁ߏ޿ΊΒΕΔ

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"OESPJEͷ৔߹ͷप஌ͷํ๏͸ ԼهεϥΠυʹ·ͱΊͯ͋Γ·͢ ʮ#FBTUBSHB[FSʯCZLPOJGBS IUUQTTQFBLFSEFDLDPNLPOJGBSCFBTUBSHB[FS ༷ʑͳखஈͰ஌ͬͯ΋Β͏

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޿ΊΔͷා͍Μ͚ͩͲʜ ༷ʑͳखஈͰ஌ͬͯ΋Β͏ w ʮίʔυݟΒΕΔͷஏ͔͍ͣ͠ʜʯ w ʮΊͬͪΌୟ͔ΕΔΜ͡Όͳ͍͔ͳʜʯ w ʮා͍ਓʹϚαΧϦ౤͛ΒΕͨΒͲ͏͠Α͏ʜʯ

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༷ʑͳखஈͰ஌ͬͯ΋Β͏ ҆৺͍ͯͩ͘͠͞ օͦΜͳʹͪΌΜͱݟͯ·ͤΜ

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ͪΌΜͱݟͯ͘ΕͯΔਓ͸େମ༏͍͠ ༷ʑͳखஈͰ஌ͬͯ΋Β͏ w ܦݧ্ɺ13ૹͬͯ͘ΕΔΑ͏ͳਓ͸༏͍͠ w Կ͔ݴΘΕͨΒ௚ͤ͹͍͍ͱ͍͏ࡶ͞΋େࣄ

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ࣗ෼ͷख͕ճΒͳ͍࣮૷ΛͿͬ͜·ΕΔ୉ޣຯ ༷ʑͳखஈͰ஌ͬͯ΋Β͏

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༷ʑͳखஈͰ஌ͬͯ΋Β͏ ίʔυΛެ։͢Δෆ҆͸Θ͔Δ͕  ެ։ͯ͠ΈΔͱҙ֎ͱ໰୊ͳ͍ͷͰ ΨϯΨϯ޿Ί͍͖ͯ·͠ΐ͏

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Α͋͘Δ࣭໰

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2͍ͭ࢓ࣄʢຊۀʣͯͨ͠ͷʁ

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"ຖ೔ͯ͠·ͨ͠

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13͚ͩ͸଎߈Ͱݟ͍ͯͨ w ৗʹσΟεϓϨΠʹө͓͍ͯͯ͠ɺ13͚ͩ͸࢓ࣄதͰ΋ ͙͢ʹݟͯϦΞΫγϣϯΛฦ͍ͯͨ͠ w Ϗϧυ଴ͪͳͲͷεΩϚ࣌ؒʹ΋νϥνϥݟ͍ͯͨ

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໷͸ͻͨ͢Β࣮૷ w Ոʹؼͬͯ࣌ʙ࣌͘Β͍ʹ࣮૷͍ͯͨ͠  ʢ౰࣌͸ָͯ͘͠ϋΠʹͳ͍ͬͯͨͷͰฏؾͩͬͨʣ w Շʹ͸एׯന͍໨ͰݟΒΕ͕ͨɺ%SPJE,BJHJొஃ४උͰ ΋͋Δͱ͍͏͜ͱͰҰԠڐՄΛಘ͍ͯͨ

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ਭ຾͸ͪΌΜͱऔͬͨํ͕͍͍ w $POUSJCVUPSͷํʑʹ΋ͬͱ͓೚ͤ͢Ε͹Α͔͔ͬͨ΋ w ָ͍͍ͯͭͭ͘͠ݟͯ͠·͍ͬͯͨͷͰۤͰ͸ͳ͔ͬͨ

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