The First Step of Swift Concurrency

by [email protected]

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QPUBUPUJQTTIJ[ 4XJGU$PODVSSFODZୈҰา

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@stzn3 shiz(ͣ͠) @shiz stzn ෱Ԭࡏॅ iOSΤϯδχΞ iOSDC Japan ελοϑ

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4XJGU$PODVSSFODZ w ඇಉظॲཧ΍ಉ࣌ฒߦॲཧΛߏ଄Խͨ͠ํ๏Ͱॻͨ͘ΊʹݴޠͰαϙʔτ͢ Δػೳ w 4XJGU͔Β࢖༻Մೳ ˞J04ɺNBD04ɺUW04ɺ XBUDI04͕ඞཁ w ·ͩϨϏϡʔதͷ΋ͷ΋͋ΔͨΊมΘΔՄೳੑ͋Γ ࠓճ͸9DPEF#FUB࣌఺ ͷ৘ใʹج͍ͮͨ಺༰ʹͳ͍ͬͯ·͢   ˞6OTUSVDUVSFE%FUBDIFEUBTLͷ৽͍͠γϯλοΫε͸XBUDI04ͷΈͰ༗ޮͰɺࠓޙJ04 ͳͲʹ΋൓ө͞ΕΔͱ૝ఆ͞Ε·͢ BQQMFͷSFMBTFͷϒϥϯνͰ͸طʹมߋࡁ

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"TZODBXBJU 4USVDUVSFEDPODVSSFODZ "DUPST

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"TZODBXBJU

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"TZODBXBJU w ඇಉظॲཧΛಉظॲཧͱಉ͡Α͏ͳํ๏Ͱهड़Ͱ͖ΔΑ͏ʹ w ࣗવͳྲྀΕͰίʔυ͕ಡΊɺҙਤ͕ཧղ͠΍͍͢ w ༨෼ͳखଓ͖Λॻ͔ͳͯ͘ࡁΉ w ίϯύΠϥ͕طଘͷඇಉظॲཧͰى͜͠΍͍͢ϛεΛ๷͍Ͱ͘ΕΔ w ؔ਺͚ͩͰ͸ͳ͘HFUPOMZϓϩύςΟ΍GPSϧʔϓͰ΋࢖͑Δ w طଘͷίʔϧόοΫܗࣜͷϝιου΋BTZODʹม׵Ͱ͖Δ w طଘͷ'SBNFXPSL΋ରԠ

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"TZODBXBJU ίʔϧόοΫΛ࢖ͬͨ৔߹ ಉظ ඇಉظ ಉظ ඇಉظ

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"TZODBXBJU ίʔϧόοΫͷ೉͠͞ ωετ͕ਂ͘ͳΔ ෳࡶͰಡΈͮΒ͍

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"TZODBXBJU ίʔϧόοΫͷ೉͠͞ ॲཧͷྲྀΕ͕ٯʹͳΔ Լ͔Β্΁

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"TZODBXBJU ίʔϧόοΫͷ೉͠͞ खಈͰ໭Γ஋Λ؅ཧ͠ͳ͚Ε͹͍͚ͳ͍ ๨Ε΍͍͢ ίϯύΠϥ͸Կ΋ॿ͚ͯ͘Εͳ͍

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"TZODBXBJU ৽͍͠ॻ͖ํ

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"TZODBXBJU ৽͍͠ॻ͖ํ BTZODΛ෇͚Δ͜ͱͰؔ਺͕TVTQFOE˞͢Δ͜ͱΛࣔ͢ ˞TVTQFOE தஅ   ݱࡏͷॲཧͷྲྀΕΛதஅͯ͠ɺ࣮ߦ͍ͯͨ͠εϨουͰଞͷλεΫΛ ࣮ߦͰ͖ΔΑ͏ʹ͢Δ͜ͱ ஫γεςϜ͕ඞཁͩͱ൑அͨ࣌͠ͷΈதஅ͞ΕΔ

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"TZODBXBJU ৽͍͠ॻ͖ํ BTZODΛ෇͚Δ͜ͱͰؔ਺͕TVTQFOE˞͢Δ͜ͱΛࣔ͢ BXBJUͷ஍఺ͰTVTQFOE͢Δ ˞TVTQFOE தஅ   ݱࡏͷॲཧͷྲྀΕΛதஅͯ͠ɺ࣮ߦ͍ͯͨ͠εϨουͰଞͷλεΫΛ ࣮ߦͰ͖ΔΑ͏ʹ͢Δ͜ͱ ஫γεςϜ͕ඞཁͩͱ൑அͨ࣌͠ͷΈதஅ͞ΕΔ

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"TZODBXBJU ৽͍͠ॻ͖ํ BTZODΛ෇͚Δ͜ͱͰؔ਺͕TVTQFOE͢Δ͜ͱΛࣔ͢ ˞SFTVNF ࠶։   TVTQFOE͍ͯͨ݁͠Ռ͕ฦ͖ͬͯͨ஍఺͔ΒॲཧΛ࠶։͢Δ͜ͱ ஫BXBJUͷલͰ࣮ߦ͍ͯͨ͠εϨουͰ࣮ߦ͕࠶։͞ΕΔΘ͚Ͱ͸ͳ͍ ݁Ռ͕ฦͬͯ͘ΔͱॲཧΛSFTVNF˞͢Δ BXBJUͷ஍఺ͰTVTQFOE͢Δ ඞͣͰ͸ͳ͍

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"TZODBXBJU ৽͍͠ॻ͖ํ Τϥʔ͕ى͜Δ৔߹͸UIPSXTΛ෇͚Δ ಉظؔ਺ͱಉ͡

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"TZODBXBJU ϝϦοτ ωετ͕গͳ͍ ॲཧͷྲྀΕ͕ࣗવ ্͔ΒԼ΁

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"TZODBXBJU ϝϦοτ ίϯύΠϥ͕ॲཧͷ໭͠๨ΕΛ๷͍Ͱ͘ΕΔ 6**NBHFΛฦ͔͢ΤϥʔΛεϩʔ͢Δ

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"TZODBXBJU ؔ਺Ҏ֎ʹ΋࢖͑Δ HFUPOMZϓϩύςΟ GPSJOϧʔϓ "TZOD4FRVFODF

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"TZODBXBJU ಺෦ͷ࢓૊Έ 4XJGU$PODVSSFODZ4VTQFOEͷ࢓૊Έ ৄࡉ͸

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4USVDUVSFEDPODVSSFODZ

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4USVDUVSFEDPODVSSFODZ w ಉ࣌ฒߦॲཧΛߏ଄Խͯ͠ѻ͑ΔΑ͏ʹ w Ͳ͜Ͱಉ࣌ฒߦͷॲཧ͕ߦΘΕ͍ͯΔͷ͔͕Θ͔Γ΍͍͢ w λεΫؒͷґଘؔ܎͕໌֬Ͱ؅ཧ͠΍͍͢ Ωϟϯηϧ΍ॲཧ݁Ռͷ଴ػ w ίϯύΠϥ͕҆શʹޮ཰Α͘ಉ࣌ฒߦॲཧͰ͖ΔΑ͏ʹαϙʔτͯ͘͠ΕΔ

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4USVDUVSFEDPODVSSFODZ "TZODBXBJU

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4USVDUVSFEDPODVSSFODZ "TZODBXBJU ຖճ݁ՌΛBXBJU͠ͳ͍ͱ࣍ʹਐ·ͳ͍ 🚫 🚫 🚫

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4USVDUVSFEDPODVSSFODZ BTZODMFU

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4USVDUVSFEDPODVSSFODZ BTZODMFU BTZODMFUͷ࣌఺Ͱ $IJMEUBTLΛੜ੒ͯ͠ ӈͷॲཧ͕։࢝ ͜ͷ࣌఺Ͱॲཧ͸·ͩதஅ͠ͳ͍

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4USVDUVSFEDPODVSSFODZ BTZODMFU BXBJUͷ࣌఺Ͱطʹॲཧ͕׬͍ྃͯ͠Ε͹஋Λऔಘ͠ɺ·ͩͳΒ ͹TVTQFOE͢Δ BTZODMFU͸ੜ੒͞ΕͨείʔϓͷதͰ׬ྃ ·ͨ͸Ωϟϯηϧ ͞Εͳ͚Ε͹ͳΒͳ͍ 🚫 🚫 BTZODMFUͷੜଘείʔϓ

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4USVDUVSFEDPODVSSFODZ 5BTL(SPVQ (SPVQͷείʔϓΛੜ੒͢Δ $IJMEUBTLΛੜ੒ͯ͠ॲཧ։࢝ ׬ྃͨ͠ॱʹ݁ՌΛऔಘ ಈతͳ਺ͷಉ࣌ฒߦॲཧΛ࣮ߦ͢Δ ஫BTZODMFUͩͱGPSϧʔϓͷείʔϓͰຖճ݁ՌΛ଴ͭඞཁ͕͋Δ

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4USVDUVSFEDPODVSSFODZ 6OTUSVDUVSFE%FUBDIFEUBTL w BTZODͷείʔϓҎ֎ TZODϝιουͳͲ Ͱ5BTLΛ࣮ߦͰ͖ΔΑ͏ʹ͢Δ w ̍ͭͷؔ਺ͷείʔϓΛ௒͑ͯॊೈʹ5BTLͷϥΠϑαΠΫϧΛ؅ཧͰ͖Δ ݁ Ռͷऔಘ΍DBODFMͳͲ 6OTUSVDUVSFEDPODVSSFODZ ৄࡉ͸

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4USVDUVSFEDPODVSSFODZ BTZODMFU 5BTLͷπϦʔߏ଄Λߏங͢Δ 4USVDUVSFEDPODVSSFODZͷ࢓૊Έ ৄࡉ͸

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($% (SBOE$FOUSBM%JTQBUDI WT4XJGU$PODVSSFODZ ৄࡉ͸

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4USVDUVSFEDPODVSSFODZ ࢖͍෼͚ Ͳ͔͜Βݺͼग़ͤΔʁ ੜଘظؒ Ωϟϯηϧ ݩͷίϯςΩετ͔Β ܧঝ͢Δ΋ͷ BTZODMFUUBTLT BTZODؔ਺ એݴͷείʔϓ಺ ࣗಈ QSJPSJUZ UBTLMPDBMWBMVF (SPVQUBTLT XJUI 5ISPXJOH 5BTL(SPVQ UBTLHSPVQͷ είʔϓ಺ ࣗಈ QSJPSJUZ UBTLMPDBMWBMVF 6OTUSVDUVSFEUBTLT Ͳ͔͜ΒͰ΋ είʔϓͳ͠ 5BTLܦ༝ QSJPSJUZ UBTLMPDBMWBMVF BDUPS %FUBDIFEUBTLT Ͳ͔͜ΒͰ΋ είʔϓͳ͠ 5BTLܦ༝ Կ΋

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"DUPST

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"DUPST w ϓϩάϥϜ಺Ͱڞ༗͞ΕΔՄมঢ়ଶ TIBSFENVUBCMFTUBUF Λಉظ͢Δ࢓૊ΈΛ ఏڙͯ͠σʔλڝ߹Λ๷͙ػೳ ܕ w ϓϩάϥϜͷଞͷ෦෼͔Β಺෦ͷঢ়ଶΛJTPMBUF ִ཭ ͢Δ w "DUPSͷঢ়ଶʹ͸"DUPSΛ௨͔ͯ͠͠ΞΫηεͰ͖ͣɺΞΫηεͰ͖Δͷ͸Ұ౓ʹ Ұͭͷ5IFBE͚ͩ w TUSVDUɺFOVNɺDMBTTʹ͍ۙػೳΛ͍࣋ͬͯΔࢀরܕ w ίʔυΛݟ͚ͨͩͰσʔλ͕कΒΕ͍ͯΔ͔͕Θ͔Δ MPDBMSFBTPOJOH w ܕ͕$PODVSSFODZͷڥքͱͳΔͷͰΞϓϦ಺ͷߏ଄͕ΑΓ໌֬ʹ σʔλڝ߹ͭͷεϨου͕ಉ͡σʔλʹಉ࣌ʹΞΫηε͢Δ͜ͱ   ͨͩ͠ɺͦͷ಺ͷগͳ͘ͱ΋Ұ͕ͭॻ͖ࠐΈͰ͋Δ͜ͱ

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"DUPST Ͳ͏΍ͬͯσʔλڝ߹Λ๷͙͔ʁ "UPNJDT   -PDLT   4FSJBMEJTQBUDIRVFVFT ๷͙͜ͱ͸Ͱ͖Δ΋ͷͷɺਖ਼͘͠࢖ Θͳ͍ͱ๷͛ͳ͍ ࢖͍ํ΋೉͍͠ "DUPST ݴޠ͕๷͙αϙʔτΛͯ͘͠ΕΔ ί ϯύΠϥνΣοΫ

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λΠϛϯά࣍ୈͰ݁Ռ͕ఆ·Βͳ͍ σόοάͰݟ͚ͭͮΒ͍όά "DUPST σʔλڝ߹

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"DUPST BDUPS σʔλڝ߹Λىͣ͜͞ʹՄมঢ়ଶΛڞ༗͢Δ͜ͱ͕Ͱ͖Δ BDUPSΛ࢖ͬͯએݴ "DUPSͰσʔλ͕कΒΕ͍ͯ Δ͜ͱ͕͜͜Ͱ͙͢ʹΘ͔Δ   MPDBMSFBTPOJOH

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"DUPST "DUPSͷTZODͳDPEF΁ͷΞΫηε BXBJU͕ඞཁ "DUPS͕ଞͷॲཧΛ࣮ߦ͍ͯ͠Δ৔߹͸ TVTQFOE͠ɺ͋ͱͰ"DUPS্Ͱ࣮ߦ͞Ε Δ "DUPS֎ "DUPS಺ BXBJU͸ෆཁ BXBJU ❌

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"DUPSTΛࢧ͑Δ࢓૊Έ "DUPSJTPMBUJPO σʔλڝ߹Λ๷͙ͨΊͷϧʔϧ "DUPSSFFOUSBODZ ৄࡉ͸

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.BJO"DUPS w ඞཁͳ৔߹ʹTVTQFOEͯ͠ඞͣ.BJO5ISFBEΛ࣮ߦ͢Δ͜ͱΛࣔ͢ w .BJO5ISFBEͰ࣮ߦ͠ͳ͚Ε͹ͳΒͳ͍ॲཧΛίϯύΠϥ͕νΣοΫͰ͖Δ Α͏ʹͳΔ w ෆཁͳίϯςΩετεΠονΛආ͚ͯޮ཰Α͘ΞϓϦΛ࣮ߦͰ͖Δ w ܕΛ.BJO"DUPSʹ͢ΔͱશͯͷϝϯόͱαϒΫϥε͕.BJO"DUPSʹͳΔ w OPOJTPMBUFEΛ෇͚Δ͜ͱͰ.BJO"DUPS͔ΒݸʑͷϝϯόΛআ֎Ͱ͖Δ

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.BJO"DUPS %JTQBUDI2VFVF .BJO5ISFBEͰ࣮ߦ͢ΔͨΊʹɺ.BJO2VFVFΛ࢖͏ඞཁ͕͋Δ ίϯύ Πϥ͸ॿ͚ͯ͘Εͳ͍ ͜ͷίʔυ͸5ISFBETBGF ͜ͷϝιουΛݟ͚ͨͩͰ ͸Θ͔Βͳ͍ ݺͼग़͠ଆΛݟΔ·Ͱ5ISFBETBGF͔Ͳ͏͔͕Θ͔Βͳ͍ ίϯύΠϥ͸ॿ͚ͯ͘Εͳ͍ %FCVH࣮ߦ࣌ͷΤϥʔͰॳΊͯؾ͕෇͘͜ͱ΋

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.BJO"DUPS !.BJO"DUPS !.BJO"DUPSΛ෇͚Δ͜ͱͰ.BJO5ISFBEͰ࣮ߦ͞ΕΔ .BJO"DUPS֎͔Β͸OPOBTZODͰ΋BXBJU͕ඞཁ

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.BJO"DUPS .BJO"DUPSSVO தஅ͞ΕΔՄೳੑ͕͋Δ தஅͤͣʹ·ͱΊ࣮ͯߦ͞ΕΔ தஅ͞ΕΔՄೳੑ͕͋Δ

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·ͱΊ w "TZODBXBJU   ඇಉظॲཧΛಉظॲཧͱಉ͡Α͏ͳܗͰهड़͢Δ͜ͱ͕Ͱ͖Δ w 4USVDUVSFEDPODVSSFODZ   5BTLΛߏ଄Խͯ͠ɺޮ཰ྑ͍ํ๏Ͱಉ࣌ฒߦॲཧΛѻ͏͜ͱ͕ Ͱ͖Δ w "DUPST   ෳ਺εϨου͔Βڞ༗͞ΕͨՄมঢ়ଶ΁ͷಉ࣌ΞΫηεΛ๷͙ ͜ͱͰσʔλڝ߹Λ๷͙͜ͱ͕Ͱ͖Δ

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ࢀߟࢿྉ w 4XJGU$PODVSSFODZղઆηογϣϯ   .FFUBTZODBXBJUJO4XJGU   &YQMPSFTUSVDUVSFEDPODVSSFODZJO4XJGU   1SPUFDUNVUBCMFTUBUFXJUI4XJGUBDUPST   4XJGUDPODVSSFODZ#FIJOEUIFTDFOFT w ҰॹʹαϯϓϧΛϦϑΝΫλϦϯά͠ͳ͕Βֶ΂Δηογϣϯ   4XJGUDPODVSSFODZ6QEBUFBTBNQMFBQQ w ͦͷଞ   l4USVDUVSFEDPODVSSFODZzXJUITQFDJBMHVFTU%PVH(SFHPS   4XJGU'PSVNT

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͜Μͳ͜ͱ΍ͬͯ·͢ w -',NPCJMFEFWQPET&1+14XJGU͔ΒͷBTZODBXBJUΛֶͼ͍ͨํ΁ w 4XJGUݴޠΨΠυ೔ຊޠ൛ ࡞੒த ͓͔͠ͳͱ͜Ζ͕͋Ε͹HJUIVCͰ13ͳͲ௖͚·͢ͱخ͍͠Ͱ͢   IUUQTHJUIVCDPNTU[OUIFTXJGUQSPHSBNNJOHMBOHVBHFKQ

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͋Γ͕ͱ͏͍͟͝·ͨ͠

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ิ଍ࢿྉ

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طଘͷίʔϧόοΫϝιουΛ BTZODϝιουʹม׵͢Δ

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IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIDIFDLFEDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIDIFDLFEUISPXJOHDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIVOTBGFDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIVOTBGFUISPXJOHDPOUJOVBUJPO

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IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIDIFDLFEDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIDIFDLFEUISPXJOHDPOUJOVBUJPO XJUI999$POUJOVBUJPOͰғΉ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIVOTBGFDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIVOTBGFUISPXJOHDPOUJOVBUJPO

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IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIDIFDLFEDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIDIFDLFEUISPXJOHDPOUJOVBUJPO DPOUJOVBUJPOΛ࢖ͬͯ ॲཧΛ࠶։ SFTVNF ͢Δ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIVOTBGFDPOUJOVBUJPO IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUXJUIVOTBGFUISPXJOHDPOUJOVBUJPO XJUI999$POUJOVBUJPOͰғΉ

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طଘͷ'SBNFXPSL΋"TZOD BXBJUʹରԠ

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IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOVSMTFTTJPOEBUB 63-4FTTJPO

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IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOOPUJ fi DBUJPODFOUFSOPUJ fi DBUJPOT /PUJGJDBUJPO$FOUFS

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4XJGU$PODVSSFODZ   4VTQFOEͷ࢓૊Έ

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εϨου͕ؔ਺Λݺͼग़͢ͱελοΫྖҬʹ'SBNFͱͯ͠௥Ճ͞ΕΔ 4UBDL'SBNF TZODؔ਺ͷ৘ใ͸ৗʹ4UBDL'SBNFʹอ࣋͞ΕΔ 4UBDL'SBNF 4UBDL'SBNF 4UBDL'SBNF εϨου εϨου εϨου

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BTZODؔ਺ͷ৔߹ɺॲཧ͕SFTVNF͞Εͨޙʹඞཁͳ৘ใΛ)FBQʹอ࣋ ͢Δ "TZOD'SBNF TVTQFOE͞ΕΔ஍఺ TVTQFOTJPOQPJOU Λލ͕ͳ͍৘ใ͸4UBDL 'SBNFʹอ࣋͞ΕΔ "TZOD'SBNF 4UBDL'SBNF

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࣍ͷؔ਺͕ݺ͹Εͨࡍʹ4UBDLͰ͸Ұ൪্ͷ4UBDL'SBNF͕ೖΕସΘΔ ͦͷޙඞཁͳ৘ใ͸શͯ)FBQ'SBNFʹೖ͍ͬͯΔͨΊ

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͜͏͢Δ͜ͱͰεϨου͸ϒϩοΫ͞ΕͣʹଞͷॲཧΛܧଓ͢Δ͜ͱ͕ Ͱ͖Δ

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ॲཧ͕SFTVNF͞ΕΔͱ"TZOD'SBNFʹ͋ͬͨ৘ใ͕࠶ͼ4UBDLɹ 'SBNFʹ௥Ճ͞ΕΔ ˞ಉ͡εϨουͱ͸ݶΒͳ͍

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TZODؔ਺͸4UBDL'SBNFʹͷΈอ࣋͞ΕΔ TVTQFOE͞ΕΔ͜ͱ͸ͳ͘ ಉ͡εϨουͰॲཧ͞ΕΔͨΊ

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4USVDUVSFEDPODVSSFODZͷ࢓ ૊Έ

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4USVDUVSFEDPODVSSFODZ 5BTLͷπϦʔߏ଄ BTZOD಺ͰผͷBTZODΛݺͿͱ5BTLͷπϦʔߏ଄Λߏங͢Δ

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4USVDUVSFEDPODVSSFODZ 5BTLͷπϦʔߏ଄ 5BTLͷπϦʔߏ଄಺Ͱ༷ʑͳίϯςΩετ QSJPSJUZ DBODFM৘ใ ͳͲ Λڞ༗͍ͯ͠Δ 📝 4XJGU͸͜ͷؔ܎Λ೺Ѳ͍ͯ͠Δ

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4USVDUVSFEDPODVSSFODZ Ωϟϯηϧͷ఻೻ 5BTL͕Ωϟϯηϧ͞ΕΔͱɺશͯͷ4VCUBTL΋Ωϟϯηϧঢ়ଶʹ ͳΔ ❌ ❌ ❌ ͨͩ͠։࢝͞Εͨॲཧ͸ܧଓ͢Δ $PPQFSBUJWFDBODFMMBUJPO τϥϯβΫγϣϯ్͕தͰٸʹதஅ͞ΕΔϦεΫΛආ͚Δ

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Ωϟϯηϧ͸खಈͰνΣοΫ͢Δඞཁ͕͋Δ 4USVDUVSFEDPODVSSFODZ ΩϟϯηϧνΣοΫ 5BTL$BODFMMBUJPO&SSPSΛεϩʔ͢Δ Ωϟϯηϧ͞Ε͍ͯΔ͔Ͳ͏͔ΛνΣοΫ͢Δ

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4USVDUVSFEDPODVSSFODZ ׬ྃ৚݅ શͯͷ4VCUBTL͸͜ͷείʔϓΛൈ͚Δ·Ͱʹ ׬ྃ ਖ਼ৗऴྃɺΤϥʔΛεϩʔͳͲ ͠ͳ͚Ε͹ͳΒͳ͍ ˞BXBJU͠ͳ͍ͱΩϟϯηϧঢ়ଶʹͳΔ΋ͷͷɺॲཧ͸ܧଓ͠҉໧తʹ׬ྃΛ଴ػ͢Δ 4VC5BTL͕5BTLΑΓ΋௕͘ଘଓ͢Δ͜ͱ͕ͳ͍

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4USVDUVSFEDPODVSSFODZ Τϥʔͷ৔߹ ·ͩBXBJU͍ͯ͠ͳ͍4VCUBTL͸શͯΩϟϯηϧঢ়ଶʹͳΔ͕ɺ ॲཧ͸ܧଓ͢Δ $PPQFSBUJWFDBODFMMBUJPO Τϥʔ͕ൃੜͨ͠৔߹ τϥϯβΫγϣϯ్͕தͰٸʹதஅ͞ΕΔϦεΫΛආ͚Δ UISPX&SSPS

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5BTL͸શͯͷ4VCUBTL͕׬ྃޙʹΤϥʔΛεϩʔ͢Δ 4USVDUVSFEDPODVSSFODZ Τϥʔͷ৔߹ Τϥʔ͕ൃੜͨ͠৔߹ UISPX&SSPS

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5BTL(SPVQ͸ɺBXBJU͍ͯ͠ͳ͍$IJMEUBTLʹؔͯ͠͸ɺ׬ྃ͢ Δ·Ͱ1BSFOU͕BXBJU͠ͳ͍ 4USVDUVSFEDPODVSSFODZ 5BTL(SPVQ

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6OTUSVDUVSFEDPODVSSFODZ

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6OTUSVDUVSFEDPODVSSFODZ w ಠཱͨ͠ɺτοϓϨϕϧͷ5BTLΛੜ੒͢Δ w BTZODͷείʔϓҎ֎ TZODϝιουͳͲ Ͱ5BTLΛ࣮ߦͰ͖ΔΑ͏ʹ͢Δ w ̍ͭͷؔ਺ͷείʔϓΛ௒͑ͯॊೈʹ5BTLͷϥΠϑαΠΫϧΛ؅ཧͰ͖Δ ݁ Ռͷऔಘ΍DBODFMͳͲ w 5BTLͷ݁ՌΛ଴ͭඞཁ͕ͳ͍৔߹ fi SFBOEGPSHFU

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6OTUSVDUVSFEDPODVSSFODZ 6OTUSVDUVSFEUBTL TZODίʔυ͔ΒBTZODίʔυ͸ݺͼग़͢͜ͱ͕Ͱ͖ͳ͍ !.BJO"DUPS͸ॲཧΛ.BJO5ISFBEͰ࣮ߦ͢Δ

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6OTUSVDUVSFEDPODVSSFODZ 6OTUSVDUVSFEUBTL 5BTLͷJOJUΛ࢖͏͜ͱͰ5BTLΛ௥Ճ͢Δ͜ͱ͕Ͱ͖Δ 5BTLͷJOJU͸ݺͼग़ͨ͠λεΫͷίϯςΩετ΍1SJPSJUZΛܧঝ ͢Δ !.BJO"DUPS͸ॲཧΛ.BJO5ISFBEͰ࣮ߦ͢Δ

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6OTUSVDUVSFEDPODVSSFODZ 6OTUSVDUVSFEUBTL 5BTLΛอ͓͖࣋ͯ͠ɺޙͰ஋ͷऔಘΛߦͳͬͨΓɺDBODFMΛߦ ͏͜ͱ͕Ͱ͖Δ ˞ٯʹ҉໧తʹॲཧͷ׬ྃΛ଴ػͨ͠ΓɺࣗಈΩϟϯηϧ͞ΕͣɺखಈͰ؅ཧ͢Δඞཁ͕͋Δ

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6OTUSVDUVSFEDPODVSSFODZ %FUBDIFEUBTL 5BTLEFUBDIFE͸पғͷίϯςΩετ͔Βಠཱͨ͠ 5BTL %FUBDIFE5BTL Λ࡞੒͢Δ .BJO"DUPSͰ͸࣮ߦ͞Εͳ ͍

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6OTUSVDUVSFEDPODVSSFODZ %FUBDIFEUBTL %FUBDIFE5BTLͷதͰ5BTL(SPVQΛ࡞੒ͯ͠͞Βʹಉ࣌ฒߦ ॲཧΛ௥Ճ͢Δ͜ͱ͕Ͱ͖Δ

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6OTUSVDUVSFEDPODVSSFODZ %FUBDIFEUBTL τοϓͷ%FUBDIFE5BTLΛDBODFM͢Ε͹5BTL(SPVQͷશͯͷ $IJME5BTL΋DBODFM͞ΕΔ

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($% (SBOE$FOUSBM%JTQBUDI WT4XJGU$PODVSSFODZ

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5ISFBEFYQMPTJPO໰୊

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εϨου͸ৗʹਐΈଓ͚ͳ͚Ε͹ͳΒͳ͍

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$PODVSSFOU2VFVFͷ৔߹ɺෳ਺ͷλεΫΛಉ࣌ʹ࣮ߦ͢ΔͨΊʹ͢΂ ͯͷ$16ίΞ͕๞࿨ঢ়ଶʹͳΔ·ͰɺγεςϜ͸5ISFBEΛىಈ͢Δ

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͔͠͠ɺεϨου͕ϒϩοΫ͞Εͨ৔߹

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$PODVSSFOU2VFVF͸$16ͷίΞ਺Λ௒͑ͯεϨουΛ࡞੒͢Δ ֤ίΞ͸εϨουΛಈ͔͠ଓ͚Δ͜ͱ͕Ͱ͖Δ ଞͷεϨου͕εϨουͷϒϩοΫΛղআͰ͖Δ͔΋͠Εͳ͍

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εϨου͕ϒϩοΫ͞Εͨ৔߹ɺεϨου͕ͲΜͲΜ૿͍͑ͯ͘ 5ISFBEFYQMPTJPO

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εϨου͸ඞཁͳ৘ใΛอ͍࣋ͯ͠ΔͨΊϝϞϦΛফඅ͢Δ .FNPSZPWFSIFBE

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$16ͰDPOUFYUTXJUDI͕ա৒ʹൃੜͯ͠ޮ཰͕ѱ͍ 4DIFEVMJOHPWFSIFBE

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εϨουͷ਺͸ݻఆ ࠷େ$16਺෼ Ͱ$POUJOVBUJPOͱ͍͏୯ҐͰ৘ใ Λอ͍࣋ͯ͠Δ

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γεςϜ͕ঢ়گʹԠͯ͡$POUJOVBUJPOΛεϨου্Ͱ࣮ߦ͢Δ

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$PPQFSBUJWFUISFBEQPPMͱ͍͏ݻఆ௕ $16ίΞ਺ ͷεϨουϓʔ ϧΛ࢖ͬͯεϨουΛ࠶ར༻͍ͯ͠Δ TVTQFOE͢Δ͜ͱͰγεςϜ͕ ؅ཧͰ͖Δ

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5ISFBEFYQMPTJPOΛ๷͙ͨΊʹɺ($%Ͱ͸4VCTZTUFN͝ͱʹ4FSJBM RVFVFΛ࢖͏ͳͲ؅ཧ͕೉͔͕ͬͨ͠ɺ4XJGU$PODVSSFODZͰ͸σϑ ΥϧτͰγεςϜ͕؅ཧͯ͘͠ΕΔ

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$PPQFSBUJWFUISFBEQPPMͰ%JTQBUDI4FNBQIPSFͳͲΛ࢖ͬͯϒϩ οΫͯ͠͠·͍ͬͯΔ৔߹ʹνΣοΫͰ͖Δ

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1SJPSJUZJOWFSTJPO໰୊

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4FSJBM2VFVFͷ৔߹ɺλεΫ͸௥Ճ͞Εͨॱ൪ʹ࣮ߦ͞ΕΔ ݫ֨ͳ'*'0 'JSTU*O 'JSTU0VU

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༏ઌ౓ͷߴ͍λεΫͷલʹ௿͍λεΫ͕͋Δ৔߹

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༏ઌ౓ͷ௿͍λεΫͷ༏ઌ౓Λ্࣮͛ͯߦ͢Δ 1SJPSJUZJOWFSTJPO

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4XJGUͷ"DUPSͷ৔߹ɺ"DUPS͕ଞͷλεΫΛ࣮ߦ͍ͯ͠ͳ͚Ε͹ɺ લʹλεΫ͕௥Ճ͞Ε͍ͯͨͱͯ͠΋৽͍͠λεΫΛઌʹ࣮ߦͰ͖Δ "DUPSSFFOUSBODZ

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͜ͷ࢓૊ΈΛ࢖͏ͱɺ༏ઌ౓ͷߴ͍λεΫ͕ޙ͔Β௥Ճ͞Εͯ΋ઌʹ ࣮ߦ͢Δ͜ͱ͕Ͱ͖Δ 1SJPSJUZJOWFSTJPO͕ى͖ͳ͍

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"DUPSJTPMBUJPO σʔλڝ߹Λ๷͙ͨΊͷϧʔϧ

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"DUPSJTPMBUJPO 1SPUPDPM$POGPSNBODF ଞͷܕͱಉ༷ʹ1SPUPDPMʹ४ڌͰ͖Δ TUBUJDϝιουʹTFMGΠϯελϯε͸ଘࡏͤͣɺ"DUPSʹִ཭ JTPMBUFE ͞Ε͍ͯͳ͍ "DUPS֎ʹͳΔ

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"DUPSJTPMBUJPO 1SPUPDPM$POGPSNBODF ଞͷܕͱಉ༷ʹ1SPUPDPMʹ४ڌͰ͖Δ TUBUJDϝιουʹTFMGΠϯελϯε͸ଘࡏͤͣɺ"DUPSʹִ཭ JTPMBUFE ͞Ε͍ͯͳ͍ "DUPS֎ʹͳΔ "DUPS֎͕ͩɺJE/VNCFS͸JNNVUBCMFͳͷͰΞΫηεͰ͖Δ JNNVUBCMF

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"DUPSJTPMBUJPO 1SPUPDPM$POGPSNBODF "DUPS֎͔ΒΞΫηε͢Δʹ͸BXBJU͢Δඞཁ͕͋Δ͕ɺIBTI JOUP ͸ BTZODϝιουͰ͸ͳ͍ "DUPS֎͔ΒΞΫηε͞ΕΔՄೳੑ͕͋Δ

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"DUPSJTPMBUJPO OPOJTPMBUFE wOPOJTPMBUFEΛ෇͚Δ͜ͱͰߏจ্"DUPS಺ͷཁૉʹݟ͑Δ΋ͷΛɺ "DUPS͔ΒJTPMBUFE͞Εͳ͍Α͏ʹ͢Δ͜ͱ͕Ͱ͖Δ w"DUPS֎ͳͷͰ"DUPS಺ͷՄมͳঢ়ଶΛࢀর͢Δ͜ͱ͸Ͱ͖ͳ͍ "DUPS֎ͱݟͳ͞ΕΔ JNNVUBCMFͳͷͰ0,

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"DUPSJTPMBUJPO OPOJTPMBUFE "DUPS֎ͳͷͰ"DUPS಺ͷՄมͳঢ়ଶΛࢀর͢Δ͜ͱ͸Ͱ͖ͳ͍

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"DUPSJTPMBUJPO $MPTVSF $MPTVSF΋"DUPSJTPMBUFE ΋͘͠͸OPOJTPMBUFE BXBJUෆཁ

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"DUPSJTPMBUJPO $MPTVSF BTZOD%FUBDIͷ಺෦͸"DUPS֎ͳͷͰσʔλڝ߹ͷՄೳੑ͋Γ JTPMBUFEͰ͸ͳ͍ͷͰBXBJUඞཁ

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"DUPSJTPMBUJPO 4USVDUͷड͚౉͠ TUSVDUͷ৔߹͸ίϐʔ͕౉͞ΕΔͨΊɺ"DUPSʹӨڹΛ༩͑ͳ͍ ίϐʔ͕౉͞ΕΔ

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"DUPSJTPMBUJPO $MBTTͷड͚౉͠ DMBTTͷ৔߹͸ࢀর͕౉͞Εɺσʔλڝ߹ͷՄೳੑ͕͋Δ ͨͩ͠ίϯύ ΠϧΤϥʔʹ͸ͳΒͳ͍ ࢀর͕౉͞ΕΔ

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"DUPSJTPMBUJPO 4FOEBCMFϓϩτίϧ w $PODVSSFODZͰ҆શʹڞ༗Ͱ͖ΔܕΛࣔ͢ϓϩτίϧ w 4FOEBCMFͳܕ   7BMVF5ZQF   "DUPS   ϝϯόશͯJNNVUBCMFͳΫϥε   ಺෦Ͱಉظ͕Ͱ͖ΔΫϥε   ˏ4FOEBCMFؔ਺ܕ w ४ڌ͢Δͱ4XJGUίϯύΠϥ͕4FOEBCMF͔Ͳ͏͔ΛνΣοΫ͢Δ w δΣωϦοΫͳܕͷ৔߹ɺδΣωϦοΫҾ਺͕4FOEBCMFͳΒ͹4FOEBCMFʹͳ Δ $POEJUJPOBM$POGPSNBODF

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"DUPSJTPMBUJPO 4FOEBCMFνΣοΫ 4FOEBCMFνΣοΫͰίϯύΠϧΤϥʔʹͳΔ TUSVDUͳΒ0,

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"DUPSJTPMBUJPO !4FOEBCMFؔ਺ w !4FOEBCMFؔ਺ܕ͸4FOEBCMFϓϩτίϧʹ४ڌ͢Δ w !4FOEBCMFΫϩʔδϟʹ͸͍͔ͭ͘ͷ੍໿͕՝͞ΕΔ   ՄมͳϩʔΧϧม਺ΛΩϟϓνϟͰ͖ͳ͍   શͯͷΩϟϓνϟ͞ΕΔ஋͸4FOEBCMFͰͳ͚Ε͹ͳΒͳ͍   "DUPS֎͔Β"DUPSͷίʔυ࣮ߦͰ͖ͯ͠·͏ͨΊ ಉظతͳ4FOEBCMFΫϩ ʔδϟ͸"DUPSJTPMBUFEʹͰ͖ͳ͍

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"DUPSJTPMBUJPO !4FOEBCMFؔ਺

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"DUPSSFFOUSBODZ

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4XJGUͷ"DUPSͷ৔߹ɺ"DUPS͕ଞͷλεΫΛ࣮ߦ͍ͯ͠ͳ͚Ε͹ɺ લʹλεΫ͕௥Ճ͞Ε͍ͯͨͱͯ͠΋৽͍͠λεΫΛઌʹ࣮ߦͰ͖Δ "DUPSSFFOUSBODZ

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"DUPSSFFOUSBODZͷ஫ҙ఺

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"DUPSSFFOUSBODZ ը૾Λऔಘͯ͠DBDIF͢Δ

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"DUPSSFFOUSBODZ σʔλڝ߹͸ى͖ͳ͍΋ͷͷɺظ଴ͨ݁͠ՌʹͳΒͳ͍͜ͱ͕͋Δ TVTQFOE͢ΔՄೳੑ͕͋Δ Ծʹಉ͡63-͔Βҧ͏ը૾͕औಘͰ ͖Δ৔߹ɺTVTQFOEதʹ΋͏Ұճಉ ͡63-΁ϦΫΤετ͢ΔͱDBDIF্͕ ॻ͖͞Εͯ͠·͏

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"DUPSSFFOUSBODZ ͦ΋ͦ΋ճݺ͹ͳ ͍Α͏ʹ͢Δ ஫ҙBXBJUલͷঢ়ଶ͕BXBJUޙͰ΋ඞͣಉͩ͡ͱ͸ࢥ͍ࠐ·ͳ͍͜ͱ