not-a-number

常见例句

An integer is a number that is not a fraction.
整数就是不是分数的数。
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。
You can enter material resource units as a number, not a percentage.
您可以输入以数字而不是百分比表示的材料资源单位。
Returns the special value NaN indicating that an expression is not a number.
返回特殊值NaN,指示一个表达式不是数字。
Such movements invariably ended up hurting a number -- and not a small number -- of people.
凡是这样的运动都要伤害一批人，而且不是小量的。
It is not possible to determine whether a value is not a number by comparing it to another value equal to NaN.
不可能通过将某个值与另一个等于NaN的值进行比较来确定该值是否不是数字。