权限显示在第一个栏中的字母串中。
The permissions are displayed in the string of letters in the first column.
那个栏中的第一个字母暗示了字母串是文件，链接还是目录。
The very first letter of that column indicates whether it is a file, a link, or a directory.
用数字抄写任务与字母抄写任务、字母串比较任务与符号串比较任务考查加工速度；
Use the tasks of digit and letter copying, and the tasks of pattern and letter comparison to measure processing speed.
第二项测试更加复杂，要求所有受试者浏览由20个字母组成的若干字母串，并且对变换的字母立即做出反应。
The next test was more complex, requiring all to scan sequences of 20 identical letters and respond the instant one of the letters transformed into a different one.
在一封“休伯特”写给“珍妮特阿姨”的信中，将信中的首字母串在一起就是：“14架‘波音堡垒’战斗机昨日飞抵伦敦，准备进攻基尔（德国）。”
The code was used in a letter from "Hubert" to "Aunt Janet" to conceal the message: "14 Boeing Fortresses arrived yesterday in Hendon (London). Pilots expect to raid Kiel (Germany)."
当年幼的孩子学习计算机科学时，他们会知道，计算机科学不仅仅是一串令人困惑、无穷无尽的字母和数字，而是一个开发应用程序、创建艺术作品或检验假设的工具。
When younger kids learn computer science, they learn that it's not just a confusing, endless string of letters and numbers—but a tool to build apps, or create artwork or test hypotheses.
当更小的孩子学习计算机科学时，他们知道它不仅仅是一串令人困惑的、无穷无尽的字母和数字，而是一种构建应用程序、创作艺术品或验证假设的工具。
When younger kids learn computer science, they learn that it's not just a confusing, endless string of letters and numbers—but a tool to build apps, or create artwork, or test hypotheses.
一台大型计算机的即时存取存储器可容纳多达100000个“单词”——字母或数字字符的字符串——随时可用。
The instant access memory of a large computer may hold up to 100,000 "words"—string of alphabetic or numerical characters—ready for instant use.
除了一个监听器将输入字符串转换成大写字母之外，监听器的代码完全相同。
With the exception that one of the listeners converts the input string to uppercase, the code for the listeners is exactly the same.
对于第一个字符串中的每个字符，第二个字符串中的任意一个字符都由第三个字符串中相应的字母所替代。
For each character in the first string, any letter that appears in the second string is replaced by the corresponding letter from the third-string.
在讨论该解决方案的地图绘制部分之前，您需要了解如何将一个简单的三个字母的字符串(如den)转换为地图上的一点。
Before I can get to the mapping part of the solution, you need to understand how a simple three-letter string like DEN gets converted to a point on a map.
参与者通过指出屏幕上一串连续变化的字母，来报告他做出有意识反应的时间。
Participants referred to a constant stream of changing letters, visible on a screen, to indicate when they'd made their decision.
然后这些志愿者们被要求执行一个从一大串字母中挑出数字的任务。
Then the volunteers were asked to perform a task in which they had to pick a few Numbers out of a stream of letters.
这串字母叫做CAPTCHA，它是一个测试。
That string of letters has a name; it's called a CAPTCHA. And it's a test.
在上面的命令序列中，把变量var设置为两字母的字符串ls。
In the sequence above, the variable var is set to the two-letter string ls.
最终，他们把一串密码与字母“F”联系起来。
Eventually, they were able to associate a sequence of code with the letter "F."
iso 3166- country - code . xsd： iso 3166CountyCode类型约束数据为两个字母的字符串并且要求其必须为一个实际的iso 3166 -1国家区号。
Iso3166-country-code.xsd: the ISO3166CountyCode type both constrains the data to be a two-letter string and requires it to be one of the actual iso 3166-1 country codes.
州，从枚举出的五十多个双字母字符串中选一(为了简化，本例中只留下四个州)。
State, one of over fifty enumerated two-letter strings (However, I've limited myself to just four states to keep the example shorter.)
然后哈希接受任何字符串或字母，单个字符，返回给我一个数字，注意我要做什么。
And then hash character takes in any string or character, single character, gives me back a number. Notice what I do.
它们只是分别将字符串都转换成大写字母或小写字母。
They simply convert the string to all uppercase or all lowercase letters, respectively.
可以使用已命名的模板处理它；已命名的模板会调用它本身直到处理完字符串中所有的字母为止。
You'll use a named template to handle this; the named template will invoke itself until all of the letters in the string have been processed.
这个标识符可以是字符串、数字或字母数字值。
This identifier may be a character string, numeric, or alphanumeric value.
上面的主程序逻辑将搜索匹配简单标准的字母和数字字符串。
The main program logic above searches for letter and number strings matching our simplistic criteria.
如果当前字母的下标和字符串的长度相等，那么这个变量是一个空字符串。
If the index of the current letter is equal to the length of the string, this variable is an empty string.
您可以看到，该方法将字符串转换为大写字母。
As you can see that method converted the string to uppercase.
我们稍后将使用这个散列把词转换为等效的语音字母字符串。
We'll use this hash later to change words into a string of their phonetic alphabet equivalents.
用户名是以字母开头，后面紧跟至少两个，但不超过七个字母或数字的字符串，并且紧跟字符串结尾。
A user name is a string beginning with a letter followed by at least two, but not more than seven letters or Numbers followed by the end of the string.
还可以用混合大小写字母的形式拼写字符串。
You can also spell the strings using mixed uppercase and lowercase letters.
一个字符串是由一系列字母构成。
一个字符串是由一系列字母构成。
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