That is, you make sure that only one thread at a time can access a certain data structure by locking and unlocking it.

这就是说，通过线程的锁定和解锁，对于某一数据结构，确保某一时刻只能有一个线程能够访问它。

youdao

Not only do you need to know and register who is accessing the service, but you also want to make sure that only authorized systems or users can access it.

不仅您和访问该服务的注册用户需要知道它，而且还要确保只有授权的系统或用户可以访问它。

youdao

You can download a plug-in that makes your job easier, but you need to make sure that everyone on the team uses it in the same way and has access to the same notes about it.

您可以下载使您工作更轻松的插件，但是必需确保小组中的每个人都能用相同的方法使用它，并且能够访问关于插件的相同通知。

youdao

We want to make sure that you live in communities where your parents have access to really healthy foods that they can afford.

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While you're in settings, take a trip through the Location preferences and make sure only the apps you want to have access to your locations have access -- you can turn it off for other apps individually.

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And then we decided we've got to make sure every student has access to a simple fact sheet on student loans and financial aid, so you can have all the information you need to make intelligent choices on your own about how to pay for college.

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