Note that you usually need to be the superuser (root) to specify negative priority adjustments.

注意，您必须是超级用户(根用户)才能调低优先级值。

youdao

You also send a fault response if someone requests the square root of a negative number.

如果有人请求负数的平方根，也将发送错误响应。

youdao

If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number.

如果这当中有一个负数，乘积就会变成负的，如果你对一个负数开根号，你就会得到一个虚数。

youdao

If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number.

如果这当中有一个负数,乘积就会变成负的,如果你对一个负数开根号,你就会得到一个虚数

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