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| 礁脈水路、 すいろ (しょうみゃく) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 礁 (しょう) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 浅瀬礁 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 州 (しゅう) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| リーフ; 暗礁 news1 nf13 (あんしょう); 岩礁 news2 nf32 spec2; 鉱脈 news2 nf30 (kōmyaku); 砂州; 砂洲 (さす) | |||
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| 礁 (しょう) Geological Terms Dictionary (Bruce Bain and Leslie Oberman) ; 鉱脈 (kōmyaku) Geological Terms Dictionary (Bruce Bain and Leslie Oberman) | |||
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| 根 ichi1 news1 nf05 (ne) | |||
| English thesaurus | |||
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| Renewable Energy and Energy Efficiency Fund | |||
| reconnaissance engineering and facility | |||
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reef : 75 phrases in 2 subjects |
| General | 63 |
| Geography | 12 |