| 1. | An input character was encountered that was not a digit
输入字符中包含非数字字符。 |
| 2. | The isnan ( ) function is used to check if a value is not a number
方法用于判断一个值是否为非数字类型。 |
| 3. | Matches a nondigit character
非数字字符匹配。 |
| 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. | Gets or sets the string that represents the ieee nan not a number value
获取或设置表示ieee nan （非数字）值的字符串。 |
| 6. | Make sure to enclose any non - numeric constraint values in single quotation marks
确保将任何非数字约束值用单引号( )引起来。 |
| 7. | Represents not a number
表示非数字( |
| 8. | Returns a value indicating whether the specified number evaluates to not a number
返回一个值，该值指示指定数字是否计算为非数字( |
| 9. | Dividing zero by zero or infinity by infinity produces the nan not - a - number value
零除以零或无穷大除以无穷大生成nan （非数字）值。 |
| 10. | And not a number
和非数字( |
