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| 点源 (てんげん) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 点音源 (てん'おんげん) Engineering and Science Technical Dictionary (James Friend) | |||
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point source : 9 phrases in 5 subjects |
| Construction | 1 |
| Electronics | 1 |
| General | 4 |
| Physics | 2 |
| Technology | 1 |