1·In this sample program, only alphabetic and numeric characters (a-z, a-z, and 0-9) can be ciphered.
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)。
2·A generic name for a device that can store and process numeric and alphabetic in formation.
能存储和处理数字与字母信息的设备的总称。
3·WEP keys can be numeric, alphabetic, or a combination of both.
WEP密钥可以是数字，字母，或两者兼而有之。
4·To compact data by combining parts of the data, for example, to transform a two-word alphabetic key into a one-word numeric key by adding the numeric equivalents of the letters.
通过将数据的某些部分进行组合来压缩数据，例如，通过将一些字母的数字等值相加，可把两个字长的字母键词变换为一个字长的数字键词。
5·Use only alphabetic and numeric characters for these properties.
对这些属性仅使用字母和数字字符。
6·The size of the field tells us how many characters or Numbers can be used in stating its value, while the type describe whether the field is made up of alphabetic, numeric, or special characters.
这个尺寸的现场告诉我们多少字符或数字可用于说明它的价值，而这个字段类型的描述是否由字母、数字或一些特殊字符。
7·But applications can look elsewhere in the computer for assistance. Is there a module that knows how to make numeric sense of alphabetic text?
但是程序可以寻求帮助，是否有知道如何将字母解释为文本数字的模块？