一个活动代表一次用户交互。
默认情况下，bot每90分钟重复一次用户登录和重启。
The bot recycles the user login and restarts every 90 minutes by default.
第一次用户使用一款软件，他们可能感到迷惑，并且有着消极的体验。
The first time a user tries an application, they may be confused by it and have a slightly negative experience.
一个活动代表一次用户交互，它扩展activity类，为UI创建一个窗口。
An activity represents a user interaction, and the class extending the activity class creates a window for a UI.
这一般意味着你必须写两次用户界面代码，不过还好有一些库可以减轻工作量。
This generally means that you need to write the user-interface code twice. There are libraries, though, that make the process a bit easier.
因为内部状态仍然显示更新可用，所以下一次用户启动您的程序是通知窗口仍会弹出。
Because the state is still set to indicate the availability of an update, the alert will appear again the next time the user launches your application.
例如，几乎每一次用户从您的网站请求一个页面，你会想返回一个简单的HTML页面。
For example, almost every time a user requests a page from your site you will want to return a simple HTML page.
在一次用户会话中，数据库连接的次数不变，数据库连接计数随会话数的增加而成正比增加。
In a user session, the number of database hits is constant and the database hit count increases proportionally to the number of sessions.
默认情况下，bot每90分钟重复一次用户登录和重启(Check _ Interval属性设置)。
The bot recycles the user logins and restarts every 90 minutes by default (Check_Interval property setting).
这里，合并新或者修改的氨基酸的不同的方法和策略被详细解释，包括许多这种强有力的技术的第一次用户的实际的建议。
Here, the different methods and strategies to incorporate new or modified amino acids are explained in detail, including a lot of practical advice for first-time users of this powerful technique.
我曾经在一次用户组会议上展示这个工具，对于认真考虑采用IBMPowerSystems产品系列的任何客户，我都真诚地推荐使用这个工具。
I've seen this tool demonstrated at one of my user-group meetings and I recommend this wholeheartedly for any customer who is seriously considering IBM's Power Systems product line.
在一次实验中，用户让佩珀把餐巾纸放在错误的地方，这不合规矩。
In one experiment, the user asked Pepper to lay the napkin at the wrong place, going against the rules.
自从消防部门在他们的网站上发布了消防员工作的照片后，他们的帖子被分享了数百次，社交媒体用户纷纷称赞他们的善行。
Since the fire department posted photos of the firefighters at work on their website, their post has been shared hundreds of times with social media users praising the men for their good turn.
其他百分之十的用户每周至少使用三到四次。大多数学生使用它是仅仅为了乐趣，而不是为了做作业。
The other ten percent use it at least three or four times a week. Most students use it for fun and not for homework.
这条博文在短短三天内就获得了184000次转发和61500个赞，引起了世界各地社交媒体用户的关注。
The post has since gained the attention of social media users all over the world, receiving more than 184,000 shares and 61,500 likes in just three days.
但是，如果下线行为每隔几周才产生一次，用户就很可能记不住你的网站。
However, if that offline behavior only occurs once every few months, you have the challenge of user recall.
第一次您检查用户的凭证时，在成功登录时请将它们存储在高速缓存中。
The first time you check the user's credentials, store them in the cache upon a successful login.
让我们假设一个例子，在第一次迭代之后，您将要在九十个终端用户面前进行一次演示，采用较少用户会议的方式或者其它类似的活动。
Let's say for example, that after the end of the first iteration, you are able to do a demo in front of ninety end users, taking advantage of a small user conference or some similar activity.
首先，这些统计数据每天只改变一次，而且对每个用户都是一样的。
First, these stats are only going to change once a day and they're the same for every user.
如果两次输入一致，用户的标识就会更新，密码修改成功。
If they match, then the user tokens are updated and the password is changed.
freedb_searches散列中的每一次检索，用户都会添加更多检索。
For each search in the %freedb_searches hash, the user adds more searches.
Joanne的配置与George完全相同，所以再一次对此用户重复前面的步骤。
Joanne is configured identically to George, so repeat the previous steps one more time for this user.
我已经记不清有多少次看到用户需要一个新闻Portlet，但却没有确认是由谁来创建新闻。
I do not know how many times I have seen users request a news portlet, but haven't identified who is creating the news.
有些人则会允许用户只能安装和卸载一次；他们希望用户为新的安装支付额外的费用。
Some allow you to install and uninstall only one time; they want you to pay an additional price for a new installation.
ADMCHG：如果设置了这个标志，那么当用户下一次登录时，会提示用户修改密码。
ADMCHG: when set, the user will be prompted to change their password when next logging in.
清单4展示了身份验证机制如何记忆最近一次登录的用户的名字。
Listing 4 shows how an authentication mechanism might remember the name of the last user to have logged on.
相反，可选流程1描述了当第一次用用户需要注册并提供顾客数据时的情况。
In contrast, alternative flow 1 describes a case when a first-time user needs to register and provide customer data.
例如，如果20个不同的用户20次遇到同一崩溃，那么这种情况比同一个用户遇到20次崩溃要严重。
For example, if you experience a crash 20 times by 20 different users, that may be more serious than 20 crashes by the same user.
例如，如果20个不同的用户20次遇到同一崩溃，那么这种情况比同一个用户遇到20次崩溃要严重。
For example, if you experience a crash 20 times by 20 different users, that may be more serious than 20 crashes by the same user.
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