Hagel has ordered better background checks and a system that will handle employees who pose a threat.

哈格尔下令改善背景审查和处理存在威胁的员工的机制。

Then who ordered the background check?

那又是谁让做的背景调查？

This is a small plastic card that you use in order to check out a book.

这是一张小塑料卡，您可以用它来借书。

Anyways the front desk is where you will bring your books in order to check them out, or to sign them out.

无论如何，前台是您携带书籍以便签出或签出的地方。

An even better method is to ask questions about the lecture in order to check their understanding before going on to another topic.

一个更好的方法是在讨论另一个话题之前，先问一些关于讲座的问题，以检查他们的理解。

A former board member recalls factory visits with family members where everyone tried mouthfuls of canned dog food in order to check its quality.

一位前董事会成员回忆起与家人一起参观工厂时，每个人都尝了一口狗罐头食品，以检查其质量。