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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- environmental policy (2)
- environmental protection (2)
- sustainable development (2)
- bamboo carving (1)
- campanulaceae (1)
- data processing (1)
- economic development (1)
- electromagnetism (1)
- energy development (1)
- engineering geology (1)
- gravity assist (astrodynamics) (1)
- horn carving (1)
- ivory carving (1)
- jet propulsion (1)
- magnetic properties (1)
- materials (1)
- medicinal plants (1)
- medicine, chinese (1)
- optical pumping (1)
- rock mechanics (1)
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