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| 1 | UN Conference on Sustainable Development | UNCSD, Rio Summit | 国連持続可能な開発会議 | ||
| 2 | RIO＋20 | RIO＋20 | UN Conference on Sustainable Development (UCSD) | 世界環境首脳会議 | RIO＋20 |
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|---|---|---|---|---|---|
| 1 | UN Conference on Sustainable Development | UNCSD, Rio Summit | 国連持続可能な開発会議 | ||
| 2 | RIO＋20 | RIO＋20 | UN Conference on Sustainable Development (UCSD) | 世界環境首脳会議 | RIO＋20 |