PAE is stable over generations and has been suggested to be caused by unequal crossing-over.
PAE突变能在世代间稳定传递，其产生机制可能为等位基因间的不等交换。
Economic progress must also be environmentally and financially sustainable over generations.
经济进步还需要在环境上和财政上具有可持续性，延续到子孙后代。
Where power has been exercised over generations, a kind of hereditary incorruptibility grows up.
有的连续几代人握有实权，但仍相继保持某种廉洁之风。
This means that over generations their brains have grown bigger as they think in new ways about how to survive.
这意味着，这些鸟类由于思考如何生存下去的新方式，而又经过数代的繁衍，它们的大脑已经变得更大。
Let the rain come and wash away the ancient grudges, the bitter hatreds held and nurtured over generations.
就让那雨水来冲刷掉从远古以来所持续造成好几世代的怨恨、强烈的敌意。
Let the rain come and wash away the ancient grudges, the bitter hatreds held and nurtured over generations.
就让那雨水来洗刷掉伤痛与轻视的回忆。
You've read them before and these health tips have been passed down over generations, but do they really work?
你对此已有所耳闻，这些保健诀窍已经流传了好几代，但是它们真的管用吗？
For many conservatively minded Britons, the possibility of their family losing caste over generations is an alarming one.
在许多思想保守的英国人看来，家庭社会地位可能一代不如一代，这种局面足以让人忧惧。
Later on, this craft was introduced to the folk communities, so that it could be passed on over generations and last till now.
后来这项工艺渐渐传入民间，才得以年复一年传承至今。
Yet my old friend has touched, however delicately, on that other truth about a country scattered over generations and geography.
但我的老朋友很微妙地触及了另外一个事实，即这个国家一代又一代的人散布在天南地北。
Having handed over generations after generations, this type of handicraft is extremely popular in China as well as the whole world.
这种形式的手工艺代代相传，现在已经在中国和世界各地越来越受欢迎。
China and the Philippines are neighbors facing each other across the sea, and the two peoples have enjoyed friendship over generations.
中国和菲律宾是隔海相望的近邻，两国人民传统友谊深厚。
Why it matters: the lack of transitional flatfish fossils-showing the eyes slowly "migrating" over generations-has been used to refute Darwin's theory of evolution.
其重要性：缺少比目鱼变迁期的化石——证明其眼睛是如何一代代慢慢地“移往”现在这样，这也是达尔文进化论反对者曾驳斥的。
Some (like the Whittalls) retained British nationality over generations of Ottoman life, and it is their English-language diaries, letters and documents that provide Mr Milton with his best material.
有些家族(如惠蒂尔家)在世代的奥斯曼生活中依然保持着英民族的特征，正是他们的英文日记、信函和文件为米尔顿提供了第一手的资料。
Could it be because they are directly involved with their homeopathic doctors who educate them over the years, and in this case over generations; that they are directly involved in their own healing?
是他们都在医生数年的指导下直接参与了他们的顺势疗法，还是这种自我参与的治疗已经持续了数代人？
Over five generations the land has been too wet for cropping.
经过五代人的耕耘，这片土地太湿了，不适合种植农作物。
The extinction of the fish has called public attention as people expressed sadness over the death, hoping such animals would be better protected so that future generations could see them.
这种鱼类的灭绝引起了公众的关注，人们对这种鱼类的灭绝表达了悲伤，希望它们能得到更好的保护，以便子孙后代能看到这些鱼类。
Wouldn’t it be great to read an epic novel which told about the trials, tribulations and triumphs of a Sami family, over the course of several generations?
因而若能读一本讲述某个萨米人家族几代人经历的苦难悲伤与胜利喜悦的史诗小说，不是一件很棒的事吗?
Simulation also allows the evolution of robotics control systems, which depend on random permutations of the control system over many generations (as demonstrated by genetic algorithms).
仿真还可以允许对机器人控制系统进行革新，这依赖于很多代控制系统的随机排列（遗传算法可以证实这一点）。
That doesn't mean we should expect major changes in a few generations, though, evolution occurs over thousands of years.
当然，人类的进化不会在几代内完成，还是需要成千上万年的时间。
The web is still largely populated by younger generations as over half of those online are between the ages of 18 and 44 years old.
年轻一代中，上网还是很流行的，上网人群中有一大半是由18到44岁的人们组成。
The craft has been passed down over five generations.
这种手艺已经传了五代。
Versioning does not obsolete the service development life cycle, but it enables the life cycle to play out over successive generations.
版本治理并不会使服务开发生命周期过时，而会允许生命周期扩展到多个连续的代。
But if we succeeded, we might be able to fill in the missing pieces to a royal puzzle extending over five generations.
但是如果能成功的话，我们就会将这段延续五代人之久的皇家谜案中间缺失的片段弥补完全。
They also want to know what happens to whole populations over multiple generations.
他们还想知道历经几代之后整个族群会发生什么变化。
They also want to know what happens to whole populations over multiple generations.
他们还想知道历经几代之后整个族群会发生什么变化。
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