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71. | Rabbits breed quickly. |
| 兔子繁殖快。 |
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72. | An animal species becomes extinct when it fails to produce enough young is each generation to keep pace with the death-rate. |
| 不论何种动物,只要每一代不能繁殖出足够的后代,不能与这种动物的死亡数字相平衡,那么这种动物就会逐渐灭绝。 |
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73. | reproduce itself |
| 自体繁殖 |
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74. | Safety of household and similar electrical appliances Particular requirements for electrical heating appiances for breeding and rearing animals |
| 家用和类似用途电器的安全 动物繁殖和饲养用电加热器的特殊要求 |
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75. | related breeding |
| 亲缘繁殖 |
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76. | breed in and in |
| 同种繁殖 |
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77. | The characteristic feature of the period of barbarism is the domestication and breeding of animals and the cultivation of plants. |
| 野蛮时代的特有的标志,是动物的驯养、繁殖和植物的种植。 |
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-- 来源 -- 家庭、私有制和国家的起源 - jiatingsiyouzhi_03 |
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78. | reproduction control |
| 繁殖第 |
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79. | To breed or propagate. |
| 繁殖或增殖 |
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80. | To multiply; reproduce. |
| 繁殖;复制 |
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