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| 頻度曲線 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 度数分布曲線 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 度数曲線 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 回数曲線河川、 かせん River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| 回数血線 (かいすうきょくせん) | |||
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frequency curve : 9 phrases in 2 subjects |
| General | 6 |
| Technology | 3 |