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| 公开/私有: | 公开 私有 |
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- environmental aspects (3)
- energy conservation (2)
- global warming (2)
- renewable energy sources (2)
- 地球 (2)
- 普及读物 (2)
- artificial intelligence (1)
- fossil fuels (1)
- glyphosate (1)
- industrial management (1)
- new products (1)
- nuclear energy (1)
- power resources (1)
- production management (1)
- robotics (1)
- sustainability (1)
- technological innovations (1)
- 图解 (1)
- 太极拳 (1)
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