Darwin eventually put forward a model of biological evolution.
达尔文最终提出了一套生物进化的理论模式。
For women, the biological clock governs the time for having children.
对于女性，生物钟控制着孕育子女的时间。
There is a biological rhythm for learning.
学习是有生物节律的。
Their invention is a small biological circuit they call E-Kaia.
他们发明了一种叫做 E-Kaia 的小型生物电路。
How can biological indicators show the opposite of economic indicators?
生物指标怎么能与经济指标背道而驰呢？
Such a perspective fundamentally changes our view of biological evolution.
这种观点从根本上改变了我们对生物进化的看法。
It is not, in principle, necessary for a biological system to age and die.
原则上来说，生物系统的衰老和死亡都不是必然的。
Indeed, stability of the biological clock's period is one of its major features.
的确，生物钟周期的稳定性是它的主要特征之一。
Once a biological control agent is released, it is difficult to control its speed.
一旦实施了生物控制手段，它的速度就很难控制。
Most young women feel a biological need to procreate.
大多数年轻妇女觉得生儿育女是一种生理需要。
Such a war could result in the use of chemical and biological weapons.
这样一场战争可能导致生化武器的使用。
Certainly, the biological link between parent and child is fundamental.
当然了，父母和孩子之间的生理联系是基本的。
That first touch of ice apparently triggers a biological response inside the frog.
青蛙第一次接触到冰显然会触发其体内的生理反应。
This is not to suggest that the period of this biological clock is immutably fixed.
这并不是说生物钟的周期是固定不变的。
This is just a biological fact.
这只是一个生物学上的事实。
Men have a biological clock too.
男人同样有生物钟。
这其中有生物学方面的原因。
That would be a biological repair.
这是生物修复。
The human eye is a biological marvel.
人类的眼睛是生物学上的奇迹。
And this is not just a biological problem.
而且这不只是生物上的难题。
Several of the factors are biological.
有一些因素涉及生物学。
Just another closed-end biological mistake.
又一次生物学上的小失误。
This stuff contained no biological material.
这个物质中不含生物材料。
Time to Wake Up to the Male Biological Clock?
是时候该注意到男性生物钟啦！
There's biological age and chronological age.
这个分为生物学年龄和实足年龄。
Now we are uncovering the biological evidence.
如今我们正在揭示生物学的证据。
So, how widespread is this new biological mess?
那么，这种新的生物学的混乱状态怎样会广为传播呢？
Massive biological changes are also taking place.
大规模的生物变种也在发生。
Girls begin life with a biological advantage.
女童生来具有某种生物方面的优势。
Girls begin life with a biological advantage.
女童生来具有某种生物方面的优势。
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