Or we could shatter into countless theoretical shards.

不然我们可能会碎成无数的理论裂片。

That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.

这确有其事，因为理论告诉我们如果一个渔场的总储量如果连起初的最可承受的捕鱼量的50％都不，该降低捕鱼数量了。

Quantum theory adds a whole new wrinkle.

量子理论给了我们一个全新的视野。

Sounds a little impractical, a little theoretical, perhaps?

听起来有点不切实际 有点纯理论化了，是吗？

Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

有人不知不觉地事实牵强附会地来适理论，而不是理论来适事实。

And you don't have to theorize about it.

你无须将它理论化。

Wang Yang says China's plan for deepening reforms has significant innovation and breakthroughs in both theoretical and practical terms.

汪洋表示，中国全面深化改革的计划在理论上有创新，在改革举措上有破。

But theoretically you just stand up and walk out.

但理论上你只要站起来走出去。

The professor's theories, while highly imaginative, were by no means universally accepted.

教授的理论虽然颇具想像力，但根本没达被普遍接受的程度。

For Mr Roberts it seems less about ideology and more about partisan loyalty.

对于罗伯特来说，这无关于理论空谈，而更是一种党派忠诚度。

In the abstract, the president's authority to declare a national emergency is not in question.

理论上，特朗普宣布进入紧急状态的权利是无可置疑的。

She's now heading to theoretically friendlier turf.

现在她将前往理论上较友好的选区。

One such cause now seeks to end biomedical research because of the theory that animals have rights ruling out their use in research.

一个这样的诱因是正在寻求终止生物医学的研究，因为有这样一种理论说，动物享有权利禁止它们被用于实验。

We should correlate theory with practice.

我们必须把理论与实践联系起来。

In his teaching, he developed a system with this group of prisoners. He says his way of teaching can help anyone learn how to read and write with about thirty hours of study.

在他的教学中，他根据这组罪犯发展出了一套理论。他说他的教学方式可让人用30小时学会读写。

Yet, self-education requires students to willingly comprehend and apply whatever principles they are learning.

但是，自学要求学生能够心甘情愿地领会，并把所学的理论用起来。

And institutional wisdom continues to accept this axiom, despite overwhelming evidence to the contrary.

学院理论继续接受这一理念，尽管有压倒性的证据证明事实刚好相反。

Could you please illuminate your theory with a little more explanation?

你能稍微解释一下你的理论吗？

I would probably drop the environment. Okay.

我会放下环境理论不谈 好的。

His theory of evolution is one of the most important theories ever.

他的进化论是史上最为要的理论之一。