每周至少做三次用户测试。
这保证一次只有一个任务分配给用户。
This ensures that only one task at a time is assigned to a user.
经常的，用户只会访问给定的页面一次。
再一次，该角色被映射到多个用户或者一组用户。
Again, this role is mapped to more than one user or a group of users.
尝试相同的命令，但这一次在超级用户的账户下运行。
Try the same command, but this time running under the supervisor account.
所有用户都可能丢失最后一次备份之后的任何修改。
All users can loose any modifications made after last backup.
您也可能厌倦了一次又一次地输入冗长的用户名。
You might also be tired of typing long host names over and over again.
新的设置会在此用户下一次登录系统时生效。
The new settings will take effect the next time the user logs into the system.
在进行第一次注册时，您可以只要求用户提供注册名、密码和电子邮件地址。
Perhaps for initial registration you could just require name, password, and E-mail address.
又一次提升了我们作为用户的力量。
The [World Wide Web] increases the power we have as users again.
注意这一次我们并未在策略中定义SELinux用户。
Note that this time we did not define SELinux users in the policy.
注册用户只要在PIANO的网络上登录一次，就可以访问所有网站。
A subscriber logs in only once for access to any site in the Piano network.
当用户第一次启动OpenOffice.org时，会定义一个地址名册。
When the user starts OpenOffice.org for the first time, an address book can be defined.
通常，一次不止有一个用户会访问你的站点。
Usually, more than one user at a time will access your site.
他们还发现了新的重要用户，揭示了第一次来这里的行为。
They also discovered important new user behaviors that are revealed here for the first time.
有些用户可能会不耐烦的按钮，然后点击一次以上。
Some users might get impatient and click on the button more than once.
这里，我们看到的是一次完整的用户会话，它涉及到了所有这些我们要讲的特性。
Here we see an entire user session that touches all of these features.
两次输入的用户名不一致！
而应让负载引擎将该特定用户计划数百次。
Instead, let the load engine schedule that particular user hundreds of times.
如何让用户登录一次一次？
尝试，以防止用户提交两次同样的答复。
下一次，如果用户来你的办公室，给他一杯咖啡。
Next time a customer comes to your office, offer him a cup of coffee.
本次活动每个注册用户名每天给同一个参赛者限投一次票。
This activity each registered user name a day to the same participants limit vote.
对用户来说，只是需要重启一次电脑就可以。
同样也建议限制每一用户只能拥有的1次个人发布。
Also, it is recommended to limit each subscriber to have only 1 personal announcement.
同样也建议限制每一用户只能拥有的1次个人发布。
Also, it is recommended to limit each subscriber to have only 1 personal announcement.
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