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| 変曲点 (henkyokuten) Engineering and Science Technical Dictionary (James Friend) ; 反曲点 (はんきょくてん) Engineering and Science Technical Dictionary (James Friend) | |||
| English thesaurus | |||
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| PI (Alex Lilo) | |||
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Point of Inflection : 1 phrase in 1 subject |
| Technology | 1 |