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.
节点名结构中只包含字母数字字符。
The node name structure consists of alphanumeric characters only.
节点名应该只由字母数字字符组成。
The node name structure should consist of alpha-numeric characters only.
alnum：字母数字字符。
p {alnum}—字母数字字符。
实现了对车牌的定位和车牌中数字字符的识别。
The license location and the digital characters recognition in the license plate were implemented.
对这些属性仅使用字母和数字字符。
Use only alphabetic and numeric characters for these properties.
从1到20个字母数字字符。
单词是由空格和非数字字符作为分隔的。
Words are delimited by white space or characters that are not alphanumeric.
使用通常可接受的字母数字字符及下划线。
Use the generally accepted alphanumeric characters and the underscore.
子项是字符信息项，即包含字母数字字符的项。
The child is the character information item, meaning that the item contains alphanumerical characters.
消息不得超过160个字母数字字符且不包含图像或图形。
Messages must be no longer than 160 alphanumeric characters and contain no images or graphics.
密码最短长度为7，其中必须包含以下非字母数字字符：1。
Password length minimum: 7. Non-alphanumeric characters required: 1.
这些数字本身是由于在金融中的数字字符，以及阿拉伯数字。
The numbers themselves are given in financial Chinese numeral characters, as well as Arabic numerals.
提供一个示例，该示例从字符串中去除无效的非字母数字字符。
Provides an example that strips invalid non - alphanumeric characters from a string.
七个小写字母和字母数字字符，前三个字符为字母，而后四个字符为数字。
Seven lowercase and alphanumeric characters, first three characters being alphabetic and the last four characters being digits.
七个小写字母和字母数字字符，前四个字符为字母，而后三个字符为数字。
Seven lowercase and alphanumeric characters, first four characters being alphabetic and the last three characters being digits.
指定的文件夹名不是有效名称。请输入仅包含字母数字字符的名称。
The specified folder name is not a valid name. Please enter a name containing only alphanumeric characters.
所有长形式选项都以两个连字符(-)开头，由数量可变的字母数字字符表示。
All long form options begin with two hyphens (-) and are represented by a variable number of alphanumeric characters. In this example, it makes sense to use the following long form option identifiers.
典型的输出是载于磁盘或软盘上的经编码的字母数字字符和控制字符。
The output is, typically, encoded alphanumeric characters and control characters on magnetic disc or diskette .
每个用户名至少要包含3个但不多于10个字母数字字符，并且必须以字母为开头。
Each user name must be at least three, but not more than 10 alphanumeric characters and must begin with a letter.
首先针对数字字符特殊的字体结构，采用了数学形态学方法进行滤波处理。
Firstly, the digital character is processed by mathematics morphology for its special typeface structure.
如何将一个修剪所有非字母数字字符从字符串的开头和结尾字符和数字的？
How would one trim all non-alphanumeric and numeric characters from the beginning and end of a string?
对于带前置负号(负前缀)的模式，截断发生在非数字字符的点(包括了内嵌的负号)。
For patterns with a leading minus sign (negative prefix), truncation occurs at the point of a nondigit character, including embedded minus signs.
这些规则指定密码可以包含哪些内容，例如，密码是否应当只包含字母或字母数字字符。
These rules specify what a password can consist of, such as whether a password should consist of only alphabets or alphanumeric characters. The following rules are supported.
在这个示例程序中，只能加密字母和数字字符(a -z、a - z和0 - 9)。
In this sample program, only alphabetic and numeric characters (a-z, a-z, and 0-9) can be ciphered.
对于我们的例子，item_id是一个char列，它只存储数字字符，如以下语句所示。
For our example, item_id is a char column that stores only numeric characters, as we indicate in the following statement.
生成一个安全的密码，其中不包含含糊(即容易混淆的)字符，至少包含一个非字母数字字符。
Generate a single, secure password with no ambiguous, or easily confused, characters and at least one non-alphanumeric character.
同时，由于不同人书写的数字字符的整体特征都相同，因此该方法的识别率也非常高。
At the same time, since global features of digital characters written by different people are the same, the method has high recognition rate as well.
同时，由于不同人书写的数字字符的整体特征都相同，因此该方法的识别率也非常高。
At the same time, since global features of digital characters written by different people are the same, the method has high recognition rate as well.
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