| 1. | An input character was encountered that was not a letter
输入字符中包含非字母字符。 |
| 2. | Are used to denote alphabetical characters as the expected input
）用来表示字母字符。 |
| 3. | Combinations of numbers , punctuation marks , and alphabetical characters
数字、标点符号和字母字符的组合。 |
| 4. | Shows how and where to use non - numeric and non - alphabetic characters
介绍使用非数字字符和非字母字符的方式和场所。 |
| 5. | For example , the user enters an alphabetic character when a digit is required
例如，当需要数字时，用户输入了字母字符。 |
| 6. | Az pattern test
字母字符格式测试 |
| 7. | In some languages , there are alphabetic characters that represent two separate characters
在某些语言中，有一些表示两种不同字符的字母字符。 |
| 8. | Special processing for input characters ; for example , to convert alphabetic characters to uppercase
输入字符的特殊处理；例如，将字母字符转换为大写字母。 |
| 9. | Operator recognizes that the single digraph character and the two individual characters are equivalent
运算符认为该单个二合字母字符与这两个单独的字符是等效的。 |
| 10. | For example , an attempt to convert a string that contains alphabetical characters to a number causes an error
例如，尝试将包含字母字符的字符串转换为数字将导致错误。 |
