Furthermore, the single copy of a founder mutation often confers a survival advantage on carriers.
此外，创始者突变的单一拷贝通常赋予携带者生存优势。
From an evolutionary perspective, fear served a valuable purpose in assuring our survival as a species.
从进化角度来看，恐惧在保证我们作为一个物种生存下来的方面起来非常重要的作用。
Seduction in France, writes Ms Sciolino, is more than a game: it is “an essential strategy for France’s survival as a country of influence”.
西奥利诺笔下的“诱惑”在法国不仅仅是一个游戏：而是“一种在像法国这样的有影响力的国家里必要的生存技能”。
A struggle for survival follows.
一场生存的斗争随之而来。
Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
Experts in public health accepted this idea decades ago, but until now no one has been able to show that a woman's ability to read in itself improves her children's chances of survival.
几十年前，公共卫生专家就接受了这一观点。但到目前为止，还没有人能够证明女性的阅读能力本身就能提高孩子的生存几率。
Another thing would be, if a hatchling gets separated from the rest of its family, once the others get far enough away, its survival instinct kicks in.
另一件事是，如果幼崽和家族其他成员分开，一旦其他成员离得足够远，幼崽的生存本能就开始发挥作用。
The most important factor for the survival of a species is its ability to compete and adapt to gradual changes in its environment.
一个物种最重要的生存因素是它的竞争能力和适应环境逐渐变化的能力。
Li Ming and I took part in a wilderness survival program yesterday. Just before the dawn, we set out on foot in high spirits.
昨天我和李明参加了一个野外生存训练。就在黎明前，我们兴高采烈地步行出发了。
Aggression is a kind of innate survival mechanism, an instinct for self preservation, that allows animals to defend themselves from threats to their existence.
攻击性是一种天生的生存机制，一种自我保护的本能，使动物能够保护自己不受生存威胁。
The mere existence of such a civilisation will tell us that long-term survival is possible, and gives us some cause for optimism.
这样一种文明的存在本身就会告诉我们，长期生存是可能的，并给我们一些乐观的理由。
Creating this sanctuary is a bold move that the people of Palau recognise as essential to our survival.
建立这个保护区是一个大胆的举措，帕劳人民认为这对我们的生存来说至关重要。
Creating this sanctuary is a bold move that the people of Palau recognize as essential to our survival.
建立这个避难所是一个大胆的行动，而帕劳人民认为，这是我们生存的必要条件。
The space shuttle, the world's first true spaceship, is a magnificent step in making the impossible possible for the benefit and survival of man.
这架航天飞机是世界上第一艘真正的宇宙飞船，它是为了人类的利益和生存而把不可能变为可能的伟大一步。
We, the human species, are confronting a planetary emergency—a threat to the survival of our civilization that is gathering ominous and destructive potential even as we gather here.
我们人类，正面临着一种全球性的紧急情况——这是对我们文明生存的威胁，正当我们聚集在这里的时候，这种威胁正积聚着不祥的破坏性潜力。
The ability of a species to compete and adapt to a gradually changing environment is not the only ability that is essential for survival.
一个物种竞争和适应逐渐变化的环境的能力并不是生存所必需的唯一能力。
Today a company's ability to be responsive to the concerns of the community and the environment can influence that company's growth and survival.
今天，一个公司对社会和环境关注作出反应的能力可以影响公司的成长和生存。
In a remarkable story of survival, this Hungarian stork was given a new lease on life after being fitted with an artificial prosthetic beak.
在一个关于生存的不同寻常的故事中，这只匈牙利鹳装上人工喙后，就重获新生。
The experiment highlights the importance of morality: without it, how can a robot decide whom to save or what's best for humanity, especially if it can't calculate survival odds?
这个实验强调了道德的重要性：如果没有道德，一个机器人怎么能决定拯救谁，或者什么对人类最有利，尤其是当它不能计算生存几率的时候？
The standard criterion for the survival of a species is its success in competing with other species and adapting to slowly changing environments.
一个物种生存下来的标准是它能否成功地与其他物种竞争并适应缓慢变化的环境。
"the survival of the fittest," a slogan that virtually preempted all debate.
“适者生存”，一个几乎无可辩驳的口号。
Global warming has posed a serious threat to the survival of animals such as polar bears.
全球变暖对北极熊等动物的生存造成了严重威胁。
The brain sustains the elementary activities of animal survival such as respiration, adequate rest and a beating heart.
大脑维持着动物生存的基本活动，如呼吸、充足的休息和心跳。
It's hard to imagine a bigger fight than one for the survival of a country's coasts and farms, the health of its people, and the stability of its economy.
很难想象还有什么比为一个国家的海岸和农场的生存、人民的健康和经济的稳定而战的更大的战斗了。
The survival training course was a great experience.
生存训练课程是一次很好的经历。
A small pear became the hope for his survival.
一个小梨成了他生存的希望。
Rainforests have their own perfect system for ensuring their own survival; the tall trees make a canopy of branches and leaves which protect themselves, smaller plants, and the forest animals from heavy rain, intense dry heat from the sun and strong winds.
雨林有自己完善的系统来确保自身的生存；高大的树木有枝叶形成的树冠层来保护自身，树冠也保护着矮小的植物以及动物不受暴雨、酷暑及强风的侵扰。
Rainforests have their own perfect system for ensuring their own survival; the tall trees make a canopy of branches and leaves which protect themselves, smaller plants, and the forest animals from heavy rain, intense dry heat from the sun and strong winds.
雨林有自己完善的系统来确保自身的生存；高大的树木有枝叶形成的树冠层来保护自身，树冠也保护着矮小的植物以及动物不受暴雨、酷暑及强风的侵扰。
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