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| 91. | Rabbits breed rapidly. |
| 兔子繁殖迅速。 |
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| 92. | Rats multiply rapidly. |
| 老鼠繁殖很快。 |
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| 93. | accessory reproduction |
| 副繁殖作用 |
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| 94. | cow-and-calf system |
| 繁殖母牛制 |
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| 95. | Breeder seed |
| 繁殖用种子 |
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| 96. | biological thremmatology |
| 生物繁殖学 |
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| 97. | Rabbits breed very quickly. |
| 兔子繁殖非常快。 |
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| 98. | post-reproductive age |
| 繁殖后期年龄 |
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| 99. | intravarietal breeding |
| 品种内繁殖 |
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| 100. | cross breeding experiment |
| 杂交繁殖实验 |
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