她指出，人类一直试图加强配偶之间的联系，最大限度地提高繁殖成功率。
She suggests that humans have always tried to strengthen the pair bond to maximise reproductive success.
巢区领域防御对繁殖成功率的影响；
The influence of guarding in the nest areas on the successful rate of reproduction;
此前的研究表明，动物的繁殖成功率会受到动物在生命早期阶段营养状况的影响。
Previous research has shown that the reproductive success of animals is influenced by nutrition early in life.
进化是自然选择驱动，生物之间的特征和繁殖成功率的关系，以及随机漂移。
Evolution is driven by natural selection, the correlation between organism traits and reproductive success, as well as random drift.
那保证了你有更大的生存机会，好高的繁殖成功率。如果你很保守，两者机率就都小得多了。
That drives you to greater survival and reproductive success than if you're very conservative.
研究人员采用了四种不同试验找出公鸡与母鸡对繁殖成功率的影响---虽然野外动物的研究存在某些困难。
The researchers used four different experiments to separate out the influence of male and female factors on reproductive success -- something that is difficult to study in wild animals.
强烈的沮丧能使一个人去面对不行的事实并且做出困难的决定——那些能够提高他们生存和繁殖成功率的决定。
Severe depression can push a person to face unpalatable truths and make difficult decisions that ultimately promote their survival and reproductive success.
尽管如此，最近还是有证据表明，牢固的社会纽带有助于提高繁殖成功率，这也是进化过程中重要的健康指标。
Nevertheless, recent evidence shows that social bonding enhances reproductive success, an important indicator of evolutionary fitness.
这项研究通过对比刺鱼的生长速率，繁殖成功率和生命跨度，发现被喂养“狂吃然后减肥”的饮食节律的鱼寿命缩短达到了25%。
The study which compared the growth rate, success of reproduction and life span of stickleback fish, found that fish given a "binge then diet" food regime had a reduced life span of up to 25%.
栖息地的选择似乎会影响繁殖的成功率。
有这些额外的压力促使它成为超级强大的雄性来提升繁殖的成功率。
There is extra pressure to be a super male to improve reproductive success.
大量的生产实践证明繁殖季节绵羊胚胎移植成功率明显高于非繁殖季节。
Large Numbers of practical productions have proved that the success rate of oestrus season for sheep embryo transfer was obviously higher than the non-oestrus season.
大量的生产实践证明繁殖季节绵羊胚胎移植成功率明显高于非繁殖季节。
Large Numbers of practical productions have proved that the success rate of oestrus season for sheep embryo transfer was obviously higher than the non-oestrus season.
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