题目内容

The European Union has ____new regulations to control the hours worked by its employees.

查看答案

搜索结果不匹配？点我反馈

更多问题

The Greeks have a rich ____of literature.

This information must not be disclosed without ____written consent.

矩阵初等变换过程中，能否用等号连接?

任何一个矩阵都可以利用初等行变换化为行阶梯形吗？