Simultaneously, food production has been constrained by a lack of scientific research.

同时，由于缺乏科学研究，粮食生产也受到了限制。

Because it's not failure itself that constrains us.

因为不是失败本身束缚了我们。

It's possible those arcs are being constrained by small moonlets near the rings.

这些弧线可能为环附近的小卫星所限制。

How could we even understand, much less constrain, a mind making this sort of progress?

那么，我们又怎么能理解，更不用说去制一个以如此行的机器呢？

It's made from a molecule called a constrained peptide.

它是由一种名为限制性肽的分子构成的。

For a while, Kelly's guardrails constrained Trump.

然而，凯利的护栏只对朗普起到了片刻的束作用。

But three forces have long constrained corporate conduct: regulation, litigation and competition.

但是期以来，有三股力量束着企业的行为：法规、诉讼和竞争。

Whether by a consent agreement or an emergency manager, Detroit's freedom of action is already tightly constrained.

不管是一致协议还是危机总，律的命已不能完全掌握在自己手中，再有何举动也要看别人的眼色行事。

The same applies to a psychologist. The constrained view of human nature.

心理学家也是如此，人类本性受束的观点。

People who fall under the constrained vision in the history of ideas.

在哲学史上认为人性受束的人。

Regulatory limits on the height and density of buildings constrain supply and inflate prices.

从法律层面上对建筑的高和密进行限制，降低了供给，也助推了房价。

Publicly, the U.S. does not seem to feel constrained by the ultimatum.

表面上看，这一最后通牒似乎并未令美国感到压迫。

Well, a whimper from a two octillion ton barely constrained nuclear powered fireball.

没错，一个两百亿吨的几乎不受限制的核动力火球发出的呜咽声。

We are constrained in our love choices by what we've learned of love as children.

我们对恋人的选择被小时候对爱情的认知所局限。

And animals like snakes and scorpions use constrained peptides in their venom.

像蛇和蝎子一类的动物，它们的毒液里也含有限制性肽。

Did he wear a necktie and look sort of constrained in the appropriate system of the day?

他是否打着领带是否过着有节制的生活？

That means the frequency of light absorbed is constrained by the physical properties of silicon itself.

这意味着被吸收的光的频率将受限于硅自身的物理性质。

His ability to provide higherwelfare organic meat is ultimately constrained by market forces, since the feed legally required is pricey.

他提供更高福利的有机肉类的能力最终受到市场力量的限制，因为法律规定的饲料价格昂贵。

When he was gone I turned immediately to Jordan constrained to assure her of my surprise.

他走开之后，我马上转向乔丹——迫不及待地要告诉她我感到的惊异。

For with little external to constrain us, the innermost necessities in our being, these still drive us on.

因为虽然没有外力在强逼我们, 我们生命最内部的需求还是会驱策我们向前。