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| 特定年龄群的 | |||
| 按年龄的; 分年龄的 | |||
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| 年龄特性的 | |||
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age-specific : 25 phrases in 8 subjects |
| Animal husbandry | 4 |
| Demography | 9 |
| Desert science | 1 |
| Economy | 3 |
| Food service and catering | 1 |
| Mathematics | 3 |
| Statistics | 2 |
| Technology | 2 |
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