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| |||
| 参考样品货样 | |||
| 参考试样; 参比试样 | |||
| 标准样; 标准样品 | |||
| 对比样品; 参考样品; 参考样本; 参比样品 | |||
| reference sample: 14 phrases in 9 subjects |
| Commerce | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| Economy | 2 |
| Geology | 1 |
| International trade | 1 |
| Oil / petroleum | 2 |
| Technology | 3 |
| Water resources | 1 |
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