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| 野外指南; 现场指南 | |||
| 地域手册; 地域指南 | |||
| 现场指导; 外业手册 | |||
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field guide : 6 phrases in 4 subjects |
| Earth sciences | 2 |
| Electronics | 2 |
| Environment | 1 |
| Technology | 1 |
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