Earth Resources
| Experimental Program
| earth resource abbr. | |
| space | 地球资源 |
| experimental program abbr. | |
| agric. | 试验课题 |
| oil | 实验方案 |
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| 地球资源 | |||
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| 地球资源 | |||
| English thesaurus | |||
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| ER | |||
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Earth Resources : 198 phrases in 22 subjects |