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 researchers also selected at random a control group of 478 children who weren't given reading books. Those children were offered free activity and puzzle books.
研究者还随机选择了478个孩子作为对照组，没有给他们阅读书籍，而是给他们免费的活动和猜谜书籍（不清楚是些什么书）。
We based our analysis on a random sample of more than 200 males.
我们把我们的分析基于二百多名男性的一组随机抽样。
You may also want to only do detailed logging on a random fraction of requests and extrapolate from there.
您可能还希望仅对请求的随机部分进行详细的日志记录，并从那里进行推断。
Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.
哺乳动物将营养物质输送到骨细胞的微小管道是平行排列的，而鸟类的管道则是随机排列的。
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。
Yet an equally important criterion is the ability of a species to survive random global ecological catastrophes due to impacts.
然而一个同样重要的标准是，物种在随机性全球生态灾难中幸存的能力。
It turned out that the woman, Natalie Smith, had read something on a friend's refrigerator: Practice random kindness and senseless acts of beauty.
事实证明，这位名叫娜塔莉·史密斯的女士曾在一个朋友的冰箱上读到过这样一句话：随心随意行善，无来无由求美。
In early ganzfeld experiments, the telepathy test involved identification of a picture chosen from a random selection of four taken from a large image bank.
在早期的甘茨菲尔德实验中，心灵感应测试用来识别四张照片，这些照片是一个大型图像库中随机选取的。
Earth is a target in a cosmic shooting gallery, subject to random violent events that were unsuspected a few decades ago.
地球是“宇宙射击场”中的一个靶子，容易随机遭遇各种猛烈的撞击事件，这在数十年前从未受到过怀疑。
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。
Recall that very basic building block we introduced last week which allowed you to grab a random number between 1 and 10 or 1 or a hundred.
回想一下我们上周介绍的非常基本的构建块，它允许您获取1到10或1或100之间的随机数。
I love polka dots and this pattern has a more random splay of dots and almost looks like a hazy animal print from a distance.
我喜欢圆点花纹，这种布料上有更随意展开的圆点，远看几乎好像模糊的动物纹路。
An equally important criterion is the ability of a species to survive random global ecological catastrophes due to impacts.
一个同样重要的标准是，一个物种是否有能力在全球任一生态灾难中生存下来。
He asked them to do things like climb a hill, go away for a weekend, or choose a random place on a map and go there.
他让人们去爬山、去过个周末、或者在地图上随心选择一个地方去游玩。
The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.
研究人员发现，狗能够通过用鼻子触碰图片，来选择愤怒或快乐的面孔，其概率超过了人们对随机性的预期。
In such studies, researchers would need to follow groups of children with and without music lessons over a long period of time—even if the assignments are not completely random.
在此类研究中，研究人员需要在很长一段时间内对上音乐课和未上音乐课的不同小组的儿童进行追踪——即使任务并不是完全随机的。
'It was a random failure that was not managed very well,' the engineer said.
这名工程师说，这是一个没有得到很好解决的随机故障。
It's a random strategy but demonstrates the simplicity of the API.
这是一个随机策略，但是它展示了这个API的简单性。
The only backing music is a keyboard playing seemingly random notes, and a voice in the background with some effects.
唯一的背景音乐是似乎弹奏出随机音符的键盘，以及一些略带特效的背景声音。
There may be some situations in which you need a random number that represents a probability (as in, 30 percent or 55 percent).
您很可能遇到过这样的情况：需要一个随机的数来代表一个概率（比如，30% 或 55%）。
I tell them not to worry because it is probably just a random variation, not a significant trend.
我告诉他们不要担心，这可能只是个随机的变化，而不是显著的趋势。
A simple approach to this is to just generate a random number when a thread is spawned and prepend that number to all output lines.
为此，一种简单的方法就是仅在派生某个线程时才生成一个随机数，并将该随机数追加到所有输出行上。
After each volunteer had bid for 300 items, one bid was taken and compared with a counterbid generated at random by a computer.
每次实验志愿者都得对300个物品进行出价，出的每一次价都会跟电脑随机产生的价格进行比较。
The actual breeding is accomplished with a random 8-bit bitmask.
实际上实现繁殖的是一个随机的8位位掩码。
It's such a random thing. A yeast cell, captured in amber, found by a mad scientist.
一个疯狂的科学家，从琥珀中弄出来一个酵母细胞，这完全是个随机事件。
The encrusted salt shows a remarkably consistent but random pattern, a characteristic of fractals.
结痂的盐层展现出一种非常一致的随机图案模式，这就是分形的特征。
Deterministic algorithms can be recreated, so the Numbers aren't truly random. Eventually a pattern will emerge.
确定性算法可以被重新设计，所以这些数字不是真正随机的，最终会形成一个模式。
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