The experimenter is back there with the speed knob and at random intervals, he just speeds up the tape of their heart and then slows it down.
实验者带着速度旋钮回到那里，在随机的时间间隔里，他只是给他们的心跳录音带加速，然后再减速。
The idea for the experiment came from observing the birds using tools to pick at random objects, such as a picture of a spider that was printed on some cloth.
这个实验的想法来自于观察鸟类使用工具随机挑选物体，比如在一些布上印有蜘蛛的图片。
We received several answers, and we picked one at random.
我们收到了好几个答案，就随机地拣选了一个。
Spores light enough to float on the breezes were carried thousands of miles from more ancient lands and deposited at random across the bare mountain flanks.
轻到能在微风中漂浮的孢子从更古老的地方被带到数千英里外，随意沉积在光秃秃的山侧。
This law abolished special educational requirements for federal jurors and required them to be selected at random from a cross section of the entire community.
该法案废除了对联邦陪审员特定的受教育水平的要求，并要求联邦陪审员是随机选自全社会各阶层的。
Volunteers were assigned to be managers or subordinates at random.
志愿者谁当经理谁作下属是随机安排的。
If the electrons are spinning at random, these fields cancel each other out.
如果电子随机地自转，各电子所产生的磁场会彼此抵消。
As is standard practice in such trials, the women were split at random into two groups.
研究按照标准化操作，将被试随机分为两组。
Note: The patterns I discuss in this article were chosen at random to address common tasks.
注意：本文中我所讨论的模式是为进行普通任务而随机选择的。
To boost my blog traffic, I held a contest, awarding $50 gift cards to readers I picked at random.
为了提高我的博客流量，我举办过一场比赛，奖予价值50美元的礼品卡，获奖者是我从读者中随机抽取的。
During these states, sufferers will sometimes pick fights at random and then hide underground.
在这状态下，患者会时不时的寻衅，然后躲起来。
After voting (with or without a comment), there is a button to move to another wish at random.
在投票完后， 下方有一个按钮，用户可以继续随机选择下一的建议继续投票。
A network can be difficult to maintain if router performance comes and goes at random intervals.
如果某个网络的路由器的性能处于不同的水平区间，那么该网络很难维护。
Millions of receptors in the nose's smelling organ aren't scattered at random, a new study says.
一项新的研究表明，鼻腔内数以百万计的嗅觉受体并不是随机分布的。
You don't just pick up a book, open it at random, and start reading in the middle of a paragraph.
你不仅仅是拾起本书，随意的翻开，并在段落的中间开始阅读。
The questionnaires were irrelevant. Volunteers were assigned to be managers or subordinates at random.
问卷的结果完全没有影响，因为志愿者会被随机安排管理者或是下属的职位。
When you look at the data, however, it is hard to argue that the markets have been attacking at random.
但是当你查看数据时，就会发现那些被攻击的市场并不是被随意选中的。
The researchers also selected at random a control group of 478 children who weren't given reading books.
研究人员还从那些没有获得阅读书籍的孩子们中随机挑选了478名作为对照组。
The two groups are chosen at random, so the remedy should be the only systematic difference between them.
这两个组是随机抽取的，所以他们在系统中的唯一区别就在是否接受治疗。
Other layers include checking identities, scanning people and their luggage and searching them at random.
其它层次包括检查身份证，扫描人体和行李以及随机搜身。
In other words, they actually do start behaving like molecules in a fluid, bouncing off one another at random.
换句话说，这个时候，他们就像液体中的分子一样，被任意地反弹。
A participant will usually be assigned to the standard group or the new group at random (called randomization).
试验参与者通常将会被随机分配到标准治疗组或者是新治疗组(称之为随机分组)。
Some people wander into disaster's path at random; others, like the Garners, are led by overpowering desire.
有些人碰上灾难纯属偶然，另一些像盖勒夫妇那样的人，则是由一股无法抗拒的渴望引导，步入了灾难的航道。
That way you can truly select one at random and not waste all your time trying to decide which one to explore.
这样，你才能真正随机选择其中之一，而不是浪费所有的时间决定去探索哪一个。
Since many automated tasks can tend to be database-intensive, you do not want these actions executed at random.
由于许多自动执行的任务往往倾向于数据库密集型，因此用户不希望随机执行这些操作。
The AD Happiness Survey, for instance, continually picks advertisers at random and asks them about their experience.
例如，在广告幸福调查中，继续随机挑选广告人并请他们谈谈自己的体会。
The names of Boston, Houston, New York, Chicago and Phoenix, for example, were shuffled and presented at random.
这些名称例如有波士顿，休斯顿，纽约，芝加哥和凤凰城。
The names of Boston, Houston, New York, Chicago and Phoenix, for example, were shuffled and presented at random.
这些名称例如有波士顿，休斯顿，纽约，芝加哥和凤凰城。
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