Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Innovative web services in China - SEG Open Day
Search
Sawada Sho
March 21, 2018
Technology
0
9.3k
Innovative web services in China - SEG Open Day
2018-03-21 @ SEG Maker+ Open Day
Sawada Sho
March 21, 2018
Tweet
Share
More Decks by Sawada Sho
See All by Sawada Sho
ちょっとわかるWindows Autopilot
shao1555
2
1.9k
デジタルワークプレイスを支えるSaaS Admin / SaaS Admin for the Digital Workplace
shao1555
0
2k
Chromium OS 研究会 オンラインイベント #1 / Chromium OS Labs 01
shao1555
0
3.6k
プロトタイプシティ 出版記念講演 中国イノベーションと「安全な公園」 / China innovation comes from "safety park"
shao1555
0
1.4k
Internet Plus Labs - Social implementation of technology
shao1555
0
110
Internet Plus Labs : May 2019 ONLINE OPEN DAY
shao1555
1
1.4k
Decentralized logistics built on Blockchain ÐApp
shao1555
0
140
Innovative web services in China
shao1555
4
1.8k
blockchain.tokyo #4 LT - Decentralized Logistics
shao1555
3
7.1k
Other Decks in Technology
See All in Technology
生まれ変わった AWS Security Hub (Preview) を紹介 #reInforce_osaka / reInforce New Security Hub
masahirokawahara
0
470
整頓のジレンマとの戦い〜Tidy First?で振り返る事業とキャリアの歩み〜/Fighting the tidiness dilemma〜Business and Career Milestones Reflected on in Tidy First?〜
bitkey
2
16k
Backlog ユーザー棚卸しRTA、多分これが一番早いと思います
__allllllllez__
1
150
United airlines®️ USA Contact Numbers: Complete 2025 Support Guide
unitedflyhelp
0
310
さくらのIaaS基盤のモニタリングとOpenTelemetry/OSC Hokkaido 2025
fujiwara3
3
440
fukabori.fm 出張版: 売上高617億円と高稼働率を陰で支えた社内ツール開発のあれこれ話 / 20250704 Yoshimasa Iwase & Tomoo Morikawa
shift_evolve
PRO
2
7.6k
OPENLOGI Company Profile
hr01
0
67k
IPA&AWSダブル全冠が明かす、人生を変えた勉強法のすべて
iwamot
PRO
2
130
自律的なスケーリング手法FASTにおけるVPoEとしてのアカウンタビリティ / dev-productivity-con-2025
yoshikiiida
1
16k
SaaS型なのに自由度の高い本格CMSでサイト構築と運用のコスパ&タイパUP! MovableType.net の便利機能とユーザー事例のご紹介
masakah
0
110
2025-07-06 QGIS初級ハンズオン「はじめてのQGIS」
kou_kita
0
170
生成AI時代の開発組織・技術・プロセス 〜 ログラスの挑戦と考察 〜
itohiro73
1
460
Featured
See All Featured
Building a Modern Day E-commerce SEO Strategy
aleyda
42
7.4k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
46
9.6k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.7k
Six Lessons from altMBA
skipperchong
28
3.9k
What's in a price? How to price your products and services
michaelherold
246
12k
A Tale of Four Properties
chriscoyier
160
23k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
45
7.5k
Into the Great Unknown - MozCon
thekraken
40
1.9k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Building Applications with DynamoDB
mza
95
6.5k
The Cost Of JavaScript in 2023
addyosmani
51
8.5k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
5.9k
Transcript
ωοταʔϏε͔ΒݟΔதࠃͷΠϊϕʔγϣϯ χίٕਂ㡕؍ձSEG+ Open Day#2 2018-03-21 shao
ࣗݾհ ➤ ᖒా ᠳ (shao) ➤ 1985ɺ౦ژੜ·ΕɻࡢʹύύʹͳΓ·ͨ͠ɻ ➤ ܚጯٛक़େֶڥใֶ෦ଔۀ (2009)
➤ ઐ߈ HCI (Human Computer Interaction) ➤ ෳͷITϕϯνϟʔاۀͷ্ཱ͔ͪ͛ΒEXIT·Ͱܦݧ ➤ ݱࡏϑϦʔϥϯεͰελʔτΞοϓͷख͍ ➤ ϑΟϯςοΫ (ܾࡁɺԾ௨՟ͳͲ) ➤ εϚʔτγςΟ ➤ ػؔࢿՈ͚ʹٕज़తͳ؍͔ΒධՁɾΞυόΠεΛ͢Δࣄ ➤ ୈ4ճͷχίٕਂ㡕؍ձʹࢀՃ͠ɺʮϋʔυΣΞ͍͚͢͝ͲɺͦͦΠϯλʔ ωοτੌ͍ਐΜͰ͍Δͧʯͱؾ͍ͮͯҎདྷɺதࠃʹϋϚΔɻ
தࠃͷωοταʔϏε தࠃେ͚ʹఏڙ͞Ε͍ͯΔɺಛ৭ͷ͋ΔωοταʔϏεΛհ
WeChat (ஙמ) ➤ Tencent (ᚸᦔ)͕ఏڙ͢ΔνϟοτΞ ϓϦ ➤ ࿈བྷɾަྲྀͷखஈʹཹ·Βͣ ɺళαʔ ϏεͱͷήʔτΣΠʹͳ͍ͬͯΔ
➤ “LINE@“ “LINE Pay” ै͠ ͍ͯΔ͕ɺ͜ΕΒ͕ใൃ৴ͷԆ ʹཹ·͍ͬͯΔͷʹର͠ɺ WeChat ্ͷެࣜΞΧϯτΞ ϓϦέʔγϣϯͱͯ͠ͷ࡞ΓࠐΈ ͕ચ࿅͞Ε͍ͯΔ ➤ ʮQRίʔυΛݟ͔͚ͨΒɺͱΓ͋͑ ͣWeChat ͰಡΈऔΔʯͱ͍͏Ґ Λங͍͍ͯΔ
ళһͷڳʹ͍͍ͭͯΔ23ίʔυΛ8F$IBUͰಡΈऔͬͨͱ͜Ζɺͦͷ ళһʹνοϓΛଃΕΔΞϓϦ͕ىಈͨ͠ɻ റṺ
23ίʔυΛಡΈऔΕͳ͍ਓʹΘΒͳ͍ܝࣔ൘ ਂ㡕େֶ
ϛχΞϓϦ (ੜᑕଧ) ➤ WeChat Ͱಈ࡞͢ΔϛχΞϓϦ ➤ HTML ʹ͍ۙ (WebComponents Λ༻͍ͨΞ
ηοτΛ zip ͨ͠ͷ) Λμϯϩʔυͤ͞ Δ͜ͱͰɺUX ͷڧԽͱ WeChat ͕ఏڙ͢Δ API ͷαϙʔτΛಘΒΕΔ ➤ ϩάΠϯ ➤ ύʔϛογϣϯ ➤ ΦϑϥΠϯαϙʔτ ➤ ܾࡁͳͲ ➤ ళฮͷձһΞϓϦχϡʔεΞϓϦͳͲͰ༻ ͍ΒΕ͍ͯΔ
89.-8944 +4Ͱ։ൃ͢ΔϑϩϯτΤϯυɻ89.-8FC $PNQPOFOUTɺ8944$44ʹ૬͢Δɻ
ϚΫυφϧυͰͷϛχΞϓϦͷ׆༻ྫɻళͷೖޱͷΞϓϦίʔυΛ8F$IBUͰε Ωϟϯ͢ΔͱϛχΞϓϦ͕ىಈ͠ɺϝχϡʔͷબͱܾࡁΛߦ͏ͱҾ൪߸͕Ξϓ Ϧʹදࣔ͞ΕΔɻ؆୯ɻ
ALIPAY (ࢧๅ) ➤ Alibaba ͷࢠձࣾͷ Ant Financial (ᡶᡵᰂ๐)͕ఏڙ͢Δ ܾࡁɾੜ׆ϙʔλϧΞϓϦ ➤
λΦόΦ(౫ๅ᠓)ͷܾࡁػೳΛ Γग़ͯ͠ɺΦʔϓϯԽΛਐΊ ͨαʔϏεͱݴ͑Δ ➤ ϝϧΧϦͰͷܾࡁγεςϜ ͕ϝϧΧϦҎ֎Ͱ͑ΔΑ ͏ʹͳΔΠϝʔδ ➤ Ϋʔϙϯ৴༻ϙΠϯτ (ࣳຑ৴ ༻)Λ͢Δ͜ͱͰɺڝ߹ϓ ϥοτϑΥʔϜʹର߅͍ͯ͠Δ
৴༻ϙΠϯτʮࣳຑ৴༻ʯ $$Ͱͷ૬ख͔ΒͷධՁɺआೖͷฦࡁͳͲΛͱʹ৴༻ΛείΞԽ
γςΟαʔϏε (ALIPAY) ➤ ํߦ͕ Alipay WeChat ͷ ఏڙ͢ΔαʔϏεΛಋೖ͍ͯ͠Δ ➤
͓Β͔ͤΒϏβͷऔಘɺࣾձอ ݥͷཧɺ੫ۚͷࢧ͍ɺଇۚ ͷೲ·Ͱɺଟ͘ͷαʔϏε͕ఏ ڙ͞Ε͍ͯΔ ➤ AliPay ͕ಋೖ͍ͯ͠Δݸਓೝূ API Λ༻͍Δ͜ͱͰɺγϯάϧϩ άΠϯΛ࣮ݱ͍ͯ͠Δ ࢀߟ: https://open.alipay.com/ platform/banner.htm? page=cityservice
"VUP.BQ ߴ℄ • "VUP.BQࣾ ݱࡏ"MJCBCBࡿԼ ʹΑΔਤΞϓϦ • 10* ࢪઃใ
ʹΫʔϙϯɺϨ ϏϡʔɺࣄલܾࡁαʔϏεͳͲΛ౷ ߹͍ͯ͠Δ • ϥΠυγΣΞ ణణ γΣΞϦϯά ࣗసं PGPͳͲ ͱ࿈ܞ • φϏͱͯ͠ඇৗʹ༏ल
"OESPJE͕ࡌ͞ΕͨεϚʔτόοΫϛϥʔʹ࠷దԽ͞Εͨʮߴಙਤंڸ൛ʯ ڸʹදࣔ͞Εͨ23ίʔυΛεϚϗͰಡΈऔΓతΛઃఆͰ͖ΔͷͰɺڸʹ৮Δඞཁͳ͍ɻ
None
FMFNF صྃ㜮 • ग़લ क़ܕ αʔϏε • ຊͰల։͍ͯ͠Δ6#&3FBUTͱಉ༷ɺαʔϏ ε͕༻ҙͨ͠ୡһ͕ళฮ͔ΒͷϐοΫΞοϓ ͔Βୡ·ͰҰ؏ͯ͠Ҿ͖ड͚͍ͯΔ
• ୡһձֶࣾߍͷٳΈ࣌ؒΛར༻͍ͯ͠Δ έʔε͕ଟ͍ • ୡһͲͷ͘Β͍Ṷ͔Δͷʁ • ڑʹΑΔ͕ɺ݅ݩ ԁ ͙Β͍ • னٳΈΛத৺ʹ෭ۀͰΔͱສԁ݄ɺϑ ϧλΠϜͰສԁ݄͙Β͍ͱݴΘΕ͍ͯΔ
ʮΈΜͳͰจʯػೳɻจηογϣϯʹήετࢀՃͰ͖Δ63-Λൃߦ ͠ɺݸʑͷจΛװࣄ͕؆୯ʹͱΓ·ͱΊΒΕΔɻ
MEIWEI (ඒຯෆ༻) ➤ εϚʔτϨετϥϯͷι ϦϡʔγϣϯαʔϏε ➤ QRίʔυʹΑΔ੮ࡳͷ ֬อ ➤ ࣄલܾࡁ͖ͭͷ༧γε
ςϜ ➤ εϚϗΛ༻͍ͨηϧϑΦʔ μʔ ➤ ςʔϒϧͰͷܾࡁ ➤ CRM (ސ٬ཧ)
None
ςʔϒϧ͝ͱʹϢχʔΫͳ23ίʔυ͕షΒΕ͍ͯΔ 23ίʔυΛεΩϟϯ͢Δ͜ͱͰΦʔμʔ͔Βܾࡁ·ͰͰ͖Δ
22 • 5FODFOU ᚸᦔ ͕ఏڙ͢ΔνϟοτΞϓϦ • ʮதࠃ൛*$2ʯͱͯ͠ʹ1$͚ʹ ϦϦʔε͞ΕͨΞϓϦ • ࠷ۙͰάϧʔϓνϟοτػೳͷར༻͕৳
ͼ͍ͯΔ • ήʔϜɺҬɺٕज़τϐͳͲ • F(SPVQͨ͠ΒͷΑ͏ʹɺࣗͰ ΦʔϓϯάϧʔϓΛ࡞ͬͯެ։Ͱ͖Δ • ࠓͩͱ%JTDPSE5FMFHSBN͕͍ۙʁ
None
[IJIV ݷ • ࣭ʹର͠ɺʮΓʯ͕ྗڧ͑ͯ͘͘Ε ΔαʔϏε • ʮ:BIPPܙାʯΛΑΓॏͨͨ͘͠ײ͡ • ໊ʮΓʯϢʔβʔ͕༗ྉνϟϯωϧΛ։͍ͨ ΓɺϥΠϒηογϣϯΛ։࠵͢Δ͜ͱͰ͖Δ
None
શຽ,Վ • ͪ͜Β5FODFOU ᚸᦔ ͕ఏڙ͢ΔΧϥΦ έ$(.αʔϏε • ʮՎͬͯΈͨʯʹಛԽͨ͠Ϣʔβߘܕα Πτ •
Վ͕͏·͍ਓʹϑΥϩϫʔ͕ͨ͘͞Μ ͭ͘ • ՎΛ͏·্͛͘ΔͨΊʹɺػࡐΤ ϑΣΫτʹؾ߹͍ΛೖΕΔͻͱग़ͯ ͘Δ • શຽ,ՎʹରԠͨ͠ϚΠΫɺΧϥΦέʔ ϒε͕ଘࡏ͢Δ
#MVFUPPUIϚΠΫͱεϐʔΧʔΛҰମԽͤͨ͞ʮΧϥΦέϚΠΫʯ͕ଟग़ճΔ εϚϗରԠϚΠΫͱϛΩαʔͷηοτ ԁ͙Β͍
ଞਓ͕Ξοϓͨ͠Վএͱ߹͠ʮ͍ͬ͠ΐʹՎͬͯΈͨʯΛߘͰ͖Δɻ ֗֯ʹઃஔ͞Ε͍ͯΔɺશຽ,Վͱ࿈ಈͰ͖ΔΧϥΦέϒʔε
#JMJCJMJ ᔡທᔡທ • ʮχίχίಈըͷΫϩʔϯʯͱݴΘΕͨத ࠃͷಈըߘαΠτ • தࠃͷΞχϝ૿͖͕͑ͯͨɺਖ਼ن৴ͷ ຊͷΞχϝଟ͍ • ळ༿ݪʹΦϑΟε͕͋Γɺຊࠃͷ࡞
൛ݖΛߪೖ͍ͯ͠Δ • ߘऀʹରͯ͛͠મ͕Ͱ͖ΔαʔϏε͕ ͋Δɻϲ݄ʹҰఆֹۚҎ্͛મΛ͢Δ ͱ্ڃձһʹͳΕΔ • ນʹ͘Θ͑ɺܝࣔ൘ػೳॆ࣮͓ͯ͠Γɺ ਓؾऀͷʮΓʯ͕͍Δ ࡞ͷߟΛஸೡʹॻ͘ͳͲ
None
None
ࣾձϓϥοτϑΥʔϜͱͯ͠ͷαʔϏε ωοταʔϏε͕ࣾձʹਐग़͍ͯ͠Δࣄྫ
γΣΞϦϯάαʔϏε • 8F$IBU"MJQBZϩάΠϯͱܾࡁΛ Έ߹ΘͤͨϨϯλϧαʔϏε͕֤ छ͋Δ • γΣΞϦϯάࣗసं • γΣΞϦϯάϞόΠϧόοςϦʔ •
γΣΞϦϯάࡿ • γΣΞϦϯάࣗಈं • ࣗࣾͷධՁγεςϜΛ"MJCBCBͷࣳ ຑ৴༻ͱ࿈ಈͤ͞Δ͜ͱͰɺࣄۀͷ ϦεΫΛ͑Α͏ͱ͍ͯ͠Δ
None
"OU1MBUGPSN • "MJQBZͷΦʔϓϯϓϥοτϑΥʔϜ • &$͚ιϦϡʔγϣϯɺΫʔϙϯɺறंɺྲྀɺҩྍɺεϚʔτγςΟͳͲଟ ͘ͷϓϥοτϑΥʔϜΛἧ͍͑ͯΔ • ৴༻ཧຊਓ֬ೝ ,:$".- ͜ͷϓϥοτϑΥʔϜͰఏڙ͞Ε͍ͯΔ
إೝূɾ໔ڐূಡΈऔΓ4%,ΛΈࠐΜͩຊਓ֬ೝϓϩηε ຊਓ֬ೝʙԁ͙Β͍Ͱߦͯ͘͠ΕΔɻ
εϚʔτҩྍ • 8F$IBU"MJQBZʹΈࠐ·Ε͍ͯΔɺε ϚʔτපӃͷιϦϡʔγϣϯ • ిࢠอݥূɺిࢠΧϧςɺΦϯϥΠϯ༧ɺ ࢧ͍ͳͲΛ౷߹ • #PUʹΑΔࣄલΛܦͯɺదͳྍՊΛ հͯ͘͠ΕΔαʔϏε
墄墄 11ྲྀ • ΫϥυϫʔΧʔʹୡΛ͓ئ͍Ͱ͖ΔαʔϏε • খแɺॻྨɺ৯ɺՖიͳͲͷӡૹґཔʹɺόΠ ΫΛͬͨࢢຽ͕Ԡ͑Δ • େֶੜͷখݣ͍Ք͗ •
࠷ۙḀԧԍͳͲ͕ࣗલͷୡһΛͪɺڝ૪ʹ ͳ͍ͬͯΔ
$BJ/JBP ោề • "MJCBCB͕ߏஙͨ͠ྲྀαʔϏεΛΦʔϓϯԽ ͠ɺଞͷࣄۀऀͱ૬Γ͍ͯ͠ΔαʔϏε • $BJ/JBPϓϥοτϑΥʔϜΛ༻͍ͯൃૹ͞Εͨ ՙɺϢʔβΞΧϯτͰτϥοΩϯάͰ͖ ΔΑ͏ʹͳΓɺ࠶ୡϩοΧʔͷૹࢦࣔɺ ίϯϏχͳͲͷҾ͖͠ڌͷసૹࢦ͕ࣔग़
ͤΔ • ༌ૹྗʹ༨ྗͷ͋Δૹࣄۀऀ͕$BJ/JBP͔Β ࣄΛಘΔ͜ͱͰ͖Δ • ྲྀͷཤྺσʔλΛͱʹ"*ʹΑΔʮೲਪ ʯػೳΛςετ͍ͯ͠Δɻೲظͷॖݿ ίετͷݮ͕ݟࠐΊΔɻ
Ұݟແடংʹಧ͍ͨՙɺ൪߸ͷ͍ͭͨ୨ʹ͚͞ΕΔɻ ϐοΫΞοϓʹདྷͨਓεϚϗΞϓϦʹදࣔ͞ΕΔ୨൪߸ΛཔΓʹՙΛҾ͖औΔɻ
தࠃͷαʔϏεϓϩμΫτͷࢀߟʹͳΔ͔ʁ ➤ લఏ͕ຊͱ͍Ζ͍Ζҧ͏ ➤ ຊͷ 20 ഒ͙Β͍ωοτϢʔβ͕͍Δ • ਓޱ͕ଟ͍ ×
ྸϐϥϛουͷࠩ (ਂ㡕ͷ65ࡀҎ্ਓޱ2%ఔ) ➤ ܾࡁ͕҆͘ɺେྔͷτϥϯβΫγϣϯʹ͑͏Δ • ۜߦܾؒࡁγεςϜ͕ͨ͠ͷຊͷ30ޙ • ຊͰ200ԁ͔͔ΔऔҾ͕ɺதࠃͩͱ2ԁҎԼ • GFW (Great Firewall) ʹΑΔࣗࠃ࢈ۀͷ࣮࣭తͳอޢ • Google ͭͳ͕Βͳ͍ɺFacebook ͭͳ͕Βͳ͍ɺTwitter ͭͳ͕Βͳ͍ • ͦΕͰʮࣦഊྫʯͷ্ʹޭ͕ੵΈ্͕͍ͬͯΔ • தࠃͰͷࣦഊྫͱޭྫΛ͖ͪΜͱ؍͢ΕɺຊͰͷαʔϏεͮ͘Γʹ ཱͭ
ܾࡁɾΘΓ͔ΜαʔϏεͷ paymo (SEGग़ுॴʹڠ ࢍ͍ͯ͠Δ AnyPay ͕։ ൃ) தࠃͷΤίγεςϜʹֶΜ ͰܾࡁαʔϏεΛ։ൃ ܾࡁɾΘΓ͔ΜαʔϏεͷQBZNP
4&(ग़ுॴʹڠࢍ͍ͯ͠Δ"OZ1BZ͕։ൃ தࠃͷΤίγεςϜʹֶΜͰܾࡁαʔϏεΛ։ൃ
ࣾձΛղܾ͢ΔͨΊͷςΫϊϩδʔ ➤ ྲྀͷਐԽ → ध֦େͱਓ݅අߴಅʹର߅͢ΔͨΊͷΠϊϕʔγϣ ϯ ➤ 11 (ಠͷ) :
3ޙͷฏৗ࣌ʹඖఢ͢ΔτϥϑΟοΫΛൃੜ͞ ͤΔ͜ͱʹΑΔɺετϨεςετͰ͋Δͱݴ͑Δ ➤ ਓ݅අ : 10Ͱ 4 ഒҎ্ʹͳͬͨ → লྗԽͱΫϥυιʔγϯά Ͱίετݮ ➤ ࣳຑ৴༻ → C2CαʔϏεɺ৴༻ܦࡁͷԼࢧ͑ ➤ ʮੑѱઆʯͰC2CαʔϏε͕͕Βͳ͍ͨΊɺϢʔβΛڭҭ͞ ͍ͤͯΔ ➤ AIɺίϯϐϡʔλϏδϣϯ → ࣏҆ҡ࣋ʹΔίετΛݮ
ͳͥࣾձʹςΫϊϩδʔ͕ਁಁ͔ͨ͠ ➤ (ݚڀࢿ͕ۚ๛ͱ͔ɺएऀͷൺ͕ߴ͍ͱ͔ ɺͪΖΜ͋Γ·͕͢) ➤ τϥΠΞϧ͕ଟ͍ɺવࣦഊଟ͍ ➤ ʮςΫϊϩδʔΛ׆͔ͯ͠Ұࢁ͋ͯΑ͏ʯͱ͍ ͏৽ڵاۀ͕ۀछΛΘͣଘࡏ͠ɺݪಈྗͱͳͬ ͍ͯΔ
➤ ಛʹࣾྺ͕ઙ͍ձ͕ࣾઓ͍ͯ͠Δ ➤ Πϊϕʔγϣϯͷ͍ࠃӦاۀʹର͠ɺIT ϕϯνϟʔ͕ςΫϊϩδʔΛڙ༩͢Δ Έελʔτͨ͠
·ͱΊ ➤ ςΫϊϩδʔͱ࢈ۀͷ༥߹ࣄྫ͕ͱͯଟ͍ ➤ Web ΞϓϦɺϋʔυΣΞɺطଘ࢈ۀͳͲ͕ҧײͳ͘ϛοΫε͞Ε͍ͯΔ ➤ ҰํͰࣦഊͨ͠αʔϏεͨ͘͞Μ͋Γɺ৽ँͷܹ͍͠தɺͲ͏͍ͬͨαʔ Ϗε͕ੜ͖͍ͬͯΔ͔؍Ͱ͖Δ ➤
ຊ๊͕͑ΔࣾձʹϑΟοτͰ͖ΔࣄྫΛ୳͠ɺτϥΠΞϧ͢Δ͜ͱ͕େࣄ ➤ γΣΞϦϯάࣗసंΛͦͷ··ຊʹ࣋ͬͯ͘ΔͱɺͲ͏͍͏͕ղܾ͢Δʁ ➤ গࢠߴྸԽʹରͯ͠தࠃͷଜͲ͏ςΫϊϩδʔΛಋೖ͍ͯ͠Δʁ ➤ ωοτਓޱ͕ຊͷ20ഒਓޱ͕͍Δ = 20ഒߴʹΠςϨʔγϣϯ͞Ε͍ͯΔͷͰɺࣦ ഊࣄྫΛௐࠪ͢Δͷେࣄ (܁Γฦ͠) ➤ ࣦഊࣄྫຊͷϝσΟΞʹ΄ͱΜͲग़ͯ͜ͳ͍ ➤ ࣗͰதࠃͷαʔϏεΛͬͯΈͯɺ͍ʹ͍͘ͱ͜Ζ (Πέͯͳ͍ͱ͜Ζ) Λײ ͡Δͷॏཁ