For most people, however, deciding on the elusive perfect number can be tough.
不过，对绝大多数的人来说，要确定这一难以琢磨的数值的最合适的取值可能非常困难。
Many important conclusions in relation to even perfect number research have been drawn.
人类在研究与寻找完全数时得到结论：偶完全数与梅森素数是一一对应关系。
Whenever it identifies a perfect number, your program should display that number on the screen.
一旦发现一个完美数字，你的程序需要将该数字显示到屏幕上。
Perfect number, amicable number and anti-sociable numbers are important topics in number theory.
完全数、相亲数以及孤立数一直是数论研究的一个重要课题。
What problem am I trying to solve? I need to make sure that my number classifier doesn't identify an imperfect number as perfect.
我试图解决的问题是确保我的数字分类器不会将非完全数识别为完全数。
A more algorithmic definition for a perfect number is a number where the sum of the factors (excluding the number itself) equals the number.
更规则的完全数定义是因子(不包括该数字本身)之和等于该数字的数字。
A study of 1,000 women aged 18 to 45 found that just under half (49 per cent) believe that four is the perfect number of best friends to have.
一项对1000名年龄在18岁到45岁之间的女性开展的研究发现，近一半(49%)的女性认为拥有四个好朋友最理想。
I must decompose the problem and think about what "perfect number" means. I can easily come up with several steps required to discover a perfect number.
我必须分解问题并回想“完全数”的含义。
I need to determine if a number is perfect.
我需要确定某个数字是不是完全数。
Every detail perfect, limit the number of details.
每个细节都完美，限制细节的数量。
This code reports that my perfect-number algorithm works correctly, but it's very slow.
这段代码报告我的完全数算法工作正常，但是它非常慢。
Today we have no perfect translation, but there are a number which are very good.
今天，我们没有完美的译本，只有一些很好的译本。
Let's say that you've written your perfect-number finder TDD, and some other group within your company has written a test-after version of a perfect-number finder (an example appears in Part 1).
假设您已经编写了完全数查找程序的TDD版本，而您公司中的另一个开发组编写了完全数查找程序的后测试版本(第1部分中有一个示例)。
You have to make every single detail perfect and you have to limit the number of details.
就是让每个细节都很完美，你必须要限制细节的数量。
That's the problem domain to tackle: create a perfect-number finder.
这就是要处理的问题域：创建一个完全数查找程序。
Everything was here arranged in perfect order; each register had its number, each file of papers its place.
这儿的一切都井井有条。每一种档案都编着号码，每一夹文件都有固定的地方。
The trick was to know that his true nature lived, as perfect as an unwritten number, everywhere at once across space and time.
秘诀在于懂得自己的本性，尽善尽美得像一个没有写出来的数字，它超越时间和空间，无处不在。
Due to the complexity of real-world data relationships, it is not always possible for estimates to be perfect, but there are a number of tools and techniques available to improve them.
由于真实数据关系的复杂性，估计值不总是准确的，但是有许多工具和技术可以改进它们。
In Part 1, I wrote a version of a perfect-number finder using test-after development (writing the test after writing the code).
在第1部分中，我采用后测试开发方法(在编写代码之后编写测试)编写了完全数查找程序的一个版本。
I'm done with the test-driven version of the perfect-number finder; the entire class is shown in Listing 9.
最后，完成了完全数查找程序的测试驱动版本；完整的类见清单9。
With the availability of higher-order functions, the entire problem of determining if a number is perfect or not collapses to a couple of lines of code in Groovy, as shown in Listing 7.
由于高阶函数的可用性，确定数字是否完全的整个问题在Groovy中只需几行代码即可完成，如清单7所示。
The truth is that no index is perfect (there is a long argument to be had about whether housing costs are properly measured in the core number as well).
事实是没有一项指标是完善的(关于住房成本在核心指数中的测量是否恰当存在着长期争论)。
"A large number of my projects could hardly be described as perfect, yet were successful nevertheless," he says.
“我的很多项目都很难称得上完美，然而它们仍旧是成功的。”他说道。
This is less than perfect for a number of reasons.
由于多方面的原因，这个方法并不完美。
Although a fair number of obese individuals may have a perfect metabolic profile, it appears they may still experience negative consequences of their excess weight.
虽然相当数量的肥胖人员可能拥有良好的新陈代谢水平，但是他们仍然会因为体重超标而面临很多负面的问题。
A long-running job — say, number crunching or a large compilation — is perfect to place in the background.
一个长时间运行的工作(例如，系统管理的数值计算或大型程序的编译)最适合放在后台。
Number one, this is not a perfect sphere, and only for spheres do these calculations hold that's number one.
其一，这不是完美球体，这是对完美球体的计算，这是原因一。
Take the number of SPF and multiply it by 10. That is the time that if you were under perfect conditions, you'd be safe from the sun's rays.
将SPF系数乘以10得出来的时间是你在涂防晒产品的情况下的保护时间。
Take the number of SPF and multiply it by 10. That is the time that if you were under perfect conditions, you'd be safe from the sun's rays.
将SPF系数乘以10得出来的时间是你在涂防晒产品的情况下的保护时间。
应用推荐