 |
| |||
| 必須元素 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| |||
| 生体必須元素 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 必須元素 Life Science Dictionary (Shuji Kaneko) | |||
|
essential elements : 4 Phrasen in 1 Thematik |
| Allgemeine Lexik | 4 |