Except maybe physicists, because they have unbreakable laws and perfectly controlled experiments.

除了物理学家之外，因为他们有牢不可破的法则和完美的控制实验。

One is that urban and rural differences can be tested in a controlled experiment.

一点是城市黑鹂和农村黑鹂能在控制变量实验中测试。

The study was not a controlled experiment designed to prove whether or how texting or other activities might cause crashes.

该研究不是旨在证明发短信或其它活动是否或如何导致车祸的对照实验。

That one little stick lets you ask a question, perform a controlled experiment, and then analyze the results to check your original hypothesis.

那个小小的试纸让你问一个问题，实行一个制式化的实验，分析结果来验证你的假设。

We discovered that this control experiment, which was obligatory in order to gain approval, never took place.

我们发现，这个为了获得批准而必须进行的对照实验从未发生过。

To test that out, the researchers conducted a control experiment, in which they broadcast some non-buzzy bats sounds.

为了检验，研究人员在对比实验中播放了某些非嗡嗡叫的蝙蝠叫声。

Scientists have only recently started carefully testing Thayer's century old idea in controlled experiments to see if it's really as universal as he claimed.

科学家们直到最近才开始在对照实验中仔细验证塞耶一个世纪前的想法，看看它是否真的像他声称的那样普遍。

We have the first early results on productivity from these tools and one is a controlled experiment that was done with people writing business writing.

我们得出了这些工具的首个生产力结果，其中一个是让人们写商业文章的对照实验。

A sort of controlled experiment, take these two similar planets and let them go for...4 billion years, and then why do they end up so different?

一些特定的反应发生在两个行星上，不断演化数十亿年为什么造成了最后的巨大差异？

The current study was not a controlled experiment designed to prove how the amount or type of protein people eat might directly affect the length of their lives.

目前的研究并不是一个旨在证明人们摄入的蛋白质数量或类型如何直接影响其寿命的对照实验。

D. Controlled experiments on wrens and other birds.

D. 鹪鹩和其他鸟类的对照实验。

I mean, if you remember, this isn't a controlled experiment.

如果你还记得的话， 这不是一个对照实验。

Now, what you've witnessed here today is a highly controlled social experiment.

现在，你们今天在这里目睹的是一场高度控制的社会实验。

I had a great difficulty finding a job, so I went off to Livermore Lab to do controlled fusion plasma physics experiments.

我很难找到工作，所以我去了利弗莫尔实验室做受控聚变等离子体物理实验。

Archival voice: Celluloid, one of the earliest of plastics… Conservators also have turned to controlled experiments to get a grasp on how plastic artifacts degrade.

档案声音：赛璐珞，最早的塑料之一… … 保护人员也转向对照实验来了解塑料制品是如何降解的。

We needed new medi-innovations, like three phase trials and randomized controlled experiments, and regulatory bodies, like the FDA, to separate out the fake cures from the real thing.

我们需要新的医疗创新， 如三阶段试验和随机对照实验， 以及监管机构，如 FDA， 将假药与真药分开。

We're really, as I say, very kind of practical at the level of doing controlled experiments, and most of the time it works out that it makes sense.

正如我所说， 我们在进行受控实验方面确实非常实用，而且大多数时候都证明这是有道理的。

Although. . . please take note of the large signs at the entrance to each area which tell. . . which tell you when certain areas are being used for particular controlled experiments and are therefore temporarily out of bounds to the public.

尽管… … 请注意每个区域门口的特大告示牌，上面写着这里何时用于特殊的控制实验，所以临时不对外开放。