For ordinary users, you can specify by groups who are denied the ability to su to certain users.

对于普通用户，可以通过组指定哪些用户不允许通过su变成特定的用户。

youdao

The image must be divided into nine regions — top, top right, right, bottom right, bottom, bottom left, left, top left, and center — that you specify by an attribute in the XML file.

图像必须分成9个区域——顶部、右上、右部、右下、底部、左下、左部、左上和中间——这些区域是通过XML文件中的一个属性来指定的。

youdao

Another alternative is to specify partitioning predicates by defining check constraints on nicknames.

另一种方法是通过在昵称上定义检查约束来指定分区谓词。

youdao

Specify the quantum number n and divide by Z.

只需说明n的具体值，并用Z去除就行了。

麻省理工公开课 - 固态化学导论课程节选

In July, Chenault relented and announced that he would reduce the grants, although he didn't specify by how much.

FORBES: Options vigilantes

Developed countries would also specify an amount by which they mean to reduce their emissions.

ECONOMIST: How to get negotiations on the right track for a deal

Ostensibly these are rules issued to clarify or specify laws properly passed by Congress.

FORBES: We Must Stop Treating the President As Our Savior