| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 絵グラフ | えグラフ | (n) pictograph |
| e gurafu | e gurafu |
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| 絵コンテ | えコンテ | (abbr) storyboard (film) |
| e konte | e konte |
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| Eメール | email / electronic mail |
| E me^ru |
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| Eメールアドレス | email address |
| E me^ruadoresu |
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| ARINC | えーあーるあいえぬしー | aeronautical ratio incorporate (20) |
| ARINC | e ^ a ^ ruaienushi ^ |
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| ARモデル | えーあーるもでる | auto-regressive model (1) |
| AR moderu | e ^ a ^ rumoderu |
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| AI | えーあい | artificial intelligence (14) |
| AI | e ^ ai |
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| ABS樹脂 | えーびーえすじゅし | acrylonitrile-butadiene-styrene-terpolymer (8) |
| ABS jushi | e ^ bi ^ esujushi |
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| A値 | えーち | A value (5) |
| A atai | e ^ chi |
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| AWC | えーだぶりゅしー | automatic work changer (19) |
| AWC | e ^ daburyushi ^ |
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| ADI | えーでぃーあい | austempered ductile iron (8) |
| ADI | e ^ dei ^ ai |
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| ADI法 | えーでぃーあいほう | alternating direction implicit method (1) |
| ADI hou | e ^ dei ^ aihou |
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| A-D変換器 | えーでぃーへんかんき | A-D converter (14) |
| A-D henkanki | e ^ dei ^ henkanki |
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| AFM | えーえふえむ | atomic force microscope (18) |
| AFM | e ^ efuemu |
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| AHC | えーえいちしー | automatic head changer (19) |
| AHC | e ^ eichishi ^ |
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| AXAF | えーえっくすえーえふ | advanced X-ray astrophysics facility (5) |
| AXAF | e ^ ekkusue ^ efu |
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| ANSI | えーえぬえすあい | American national standards institute (19) |
| ANSI | e ^ enuesuai |
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| ANK文字 | えーえぬけーもじ | ANK character (15) |
| ANK moji | e ^ enuke ^ moji |
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| Al-Li合金 | えーえるえるあいごうきん | aluminum-lithium alloy (8) |
| Al-Li goukin | e ^ erueruaigoukin |
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| ALE | えーえるいー | arbitrary Lagrangian and Eulerian (1) |
| ALE | e ^ erui ^ |
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| ALGOL | えーえるじーおーえる | algorithmic language (19) |
| ALGOL | e ^ eruji ^ o ^ eru |
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| ASME | えーえすえむいー | American society of mechanical engineers (6) |
| ASME | e ^ esuemui ^ |
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| コード | えーえすえむいーびーあんどぴーぶぃこーど | ASME B & PV code ASME B & PV (7) |
| ko^do | e ^ esuemui ^ bi ^ andopi ^ buiko ^ do |
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| ASCII | えーえすしーあいあい | American standard coded for information interchange (19) |
| ASCII | e ^ esushi ^ aiai |
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| ASTM規格 | えーえすてぃーえむきかく | ASTM standard (5) |
| ASTM kikaku | e ^ esutei ^ emukikaku |
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| ASTM図表 | えーえすてぃーえむずひょう | ASTM viscosity chart (10) |
| ASTM zuhyou | e ^ esutei ^ emuzuhyou |
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| AE | えーいー | acoustic emission (18) |
| AE | e ^ i ^ |
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| AE計測 | えーいーけいそく | acoustic emission measurement (15) |
| AE keisoku | e ^ i ^ keisoku |
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| AGV | えーじーぶい | automatic guided vehicle (19) |
| AGV | e ^ ji ^ bui |
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| AGC | えーじーしー | automatic gauge control (4) |
| AGC | e ^ ji ^ shi ^ |
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| API度 | えーぴーあいど | API's degree (10) |
| API do | e ^ pi ^ aido |
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| APIサービス分類 | えーぴーあいさーびすぶんるい | API service categories (16) |
| API sa^bisu bunrui | e ^ pi ^ aisa ^ bisubunrui |
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| APC | えーぴーしー | automatic pallet changer (19) |
| APC | e ^ pi ^ shi ^ |
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| APT | えーぴーてぃー | automatically programmed tools (19) |
| APT | e ^ pi ^ tei ^ |
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| APU | えーぴーゆー | auxiliary power unit (11) |
| APU | e ^ pi ^ yu ^ |
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| AC | えーしー | adaptive control (19) |
| AC | e ^ shi ^ |
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| ACモータ | えーしーもーた | AC motor (16) |
| AC mo^ta | e ^ shi ^ mo ^ ta |
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| ACO | えーしーおー | adaptive control optimization (19) |
| ACO | e ^ shi ^ o ^ |
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| ACC | えーしーしー | accumulator (12) |
| ACC | e ^ shi ^ shi ^ |
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| ATF | えーてぃーえふ | automatic transmission fluid (16) |
| ATF | e ^ tei ^ efu |
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