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| 个体生态学; 动物行为学 | |||
| 行为学 (ethologia) | |||
| 个体生态学; 行为学 | |||
| 动物行为学 | |||
| 生物行为学 | |||
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| 动物行为学 (在自然环境下动物行为的研究。) | |||
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ethology : 3 phrases in 1 subject |
| Animal husbandry | 3 |
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