他们访问了八座城市，例如伦敦、黎。
他们访问了好几个城市，如纽约和芝加哥。
They visited several cities, for example, New York and Chicago.
可以将安全标签授给用户，允许他们访问受保护的数据。
They are granted to users to allow them access to protected data.
这些人都可能成为入侵者，而且由于他们在内部，他们访问网络更方便。
These people are all possible intruders, and since they are on the inside, they have better access to the network.
如何知道系统用户就是他们所声称的，并只让他们访问经过授权的功能？
How do I know that the user of the system is who they say they are and only give them access to authorized functions?
至于所获取信息的质量，“很大程度上取决于他们访问的是什么网站。”
The quality of information, he says, "largely depends on what sites they go to."
他们访问我的页面，浏览我的照片和一些文章……这使得我的页面变得个性化。
They go to my page, they see my photo, a couple of paragraphs... it helps personalise it.
多数可移植性问题根据他们访问的或引用的系统资源可以被分成5类，见表1。
Most portability issues can be divided into five classes based on the system resources they access or reference, as listed in Table 1.
人们想要拥有便利的设备，可以让他们访问一些缩略型和用户友好的在线应用程序。
People want a convenient device that gives them access to the online applications that are both thumb and user friendly.
数据库安全管理员通过向用户授予安全标签来允许他们访问受保护的数据。
The database security administrator allows users access to protected data by granting them security labels.
如果任何已授权的用户可以编写报告，那么必须阻止他们访问不属于其所属租户的数据。
If any authorized user can write a report, they must be prevented from accessing data that does not belong to the tenant of which they are part.
类似地，要使某个文档可访问，涉众可能要求他们访问该文档所花的时间不超过20秒。
Similarly, for a document to be accessible, stakeholders might require that they be able to access the document for no more than 20 seconds.
根据研究，只有60%的潜在预订者确实在他们访问酒店网站的过程中完成了预订。
According to the study, only 60% of would-be bookers actually completed a reservation during the course of their visits.
受众(audience)这个概念描述访问站点的所有用户以及他们访问站点的原因。
The audience is a description of all the users who come to the site and why they come there.
此外对于用户而言，也应当有方法来让他们访问到非主流的活动，但是UI不应当为此而进行优化。
There should be a way for the user to access non-mainstream activities, but the UI should not be optimized for its use.
JAAS提供了一种灵活的、说明性的机制，用于对用户进行认证并验证他们访问安全资源的能力。
JAAS provides a flexible, declarative mechanism for authenticating users and verifying their ability to access secure resources.
因此，系统管理员至少能够确定他们访问的数据来自正确的位置，但是不一定能够确定信息是最新的。
So the systems administrators can at least be confident that they are accessing data from the correct location, but they may or may not be confident that the information is up to date.
通过与美国哈佛大学现有的关系，全球卫生学者可以在他们访问和学习期间指导和带领他们。
With an existing relationship with Harvard, the global health scholars can mentor and guide those students when they come to visit and learn.
一些用户抱怨当天他们访问互联网的效果不好，但绝大多数人并没有注意到多数网站已经开启了IPv6。
A few users complained they lacked Internet connectivity during the day, but the vast majority did not notice that major websites turned IPv6 on.
如果玩家还没有购买并安装游戏，那么仍然可以要求他们先进行注册，然后才允许他们访问站点内容。
If he has not purchased and installed a game, you still might require them to register before you give access to premium content.
电脑网络和电子公告板会保持部族间的联络，使他们能够互相交换权力精英不允许他们访问的重要数据。
Computerized networks and bulletin boards would keep the tribes in touch, exchanging the vital data that the power elite was denying them.
但一些小公司和大学行政人员表示，数字发行量的增长也减少他们访问网络资源的障碍，这又对出版商造成了威胁。
But smaller companies and university officials say the growth of digital distribution could also allow them to challenge the majors by lowering barriers to entry.
认为数字图书馆有必要通过用户认证和访问授权的机制对虚拟用户进行管理，并研究他们访问和利用数字资源的规律。
It is indispensable for the digital library to manage the virtual patrons with authentication and authorization and to probe the laws of their access to and use of digital resources.
如果一个用户试图访问一个受保护的列，而他们的LBAC凭证又不允许他们访问该列，那么这样的访问将失败，用户收到一条错误消息。
If a user tries to access a protected column that their LBAC credentials do not allow them to access, then the access will fail and they will get an error message.
通过处理XML描述符文件及对包的跟踪，portlet可以使用新的DeviceManagementAPI为基于他们访问组的用户分配软件分发包。
By processing the XML descriptor file and tracking the packages, the portlet can use the new Device Management API to assign software distribution packages to users based on their access groups.
Youtube的用户中，尤其是19岁以下的用户，对youtube的忠诚度极高；在15～19岁的男性群体中，此类人所占比例高达69%，而在这一年龄段的女性人群中则占到了66%，他们只将Youtube作为他们访问的唯一视频站点。
YouTube users, especially those under 19, are extremely loyal to YouTube; for 69% of all males 15-19 and 66% of all females in this age group, YouTube is the only streaming video site they ever visit
他们不得不做出仔细权衡后的决定，让访问继续下去。
They had to take the finely balanced decision to let the visit proceed.
只有当我们访问他们的地区，我们才发现这些故事有些不对劲。
Only when we visit their areas, do we find that those stories are something wrong.
只有当我们访问他们的地区，我们才发现这些故事有些不对劲。
Only when we visit their areas, do we find that those stories are something wrong.
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