想像一下如果已经爆发了麻疹，而消息是在爆发后的三个月后才传到我们这里。
Imagine if we have an outbreak of measles and the information is relayed to us three months after the outbreak.
如果已经构建好了页面，那么该怎么办？
如果已经接收到数据，则不需要其他调用。
If data is already received, there is no need for an additional call.
如果已经太晚了，我们很乐意听到的细节。
如果已经结束评估，中方得出了怎样的结论？
If the assessment is already completed, what is China's conclusion?
如果已经复制了项目，则不会再次进行复制。
因此，如果已经验证了文档，将不再执行验证。
Hence, if the document is already validated, it does not validate again.
如果已经使用它了……干得好！
如果已经定义了服务点，则可以从中选择一个。
If service points are already defined, one of them can be chosen.
如果已经成功更新数据库，则将返回以下页面。
If the database has been updated successfully, it will return the following page.
如果已经保存，应当检索文档并生成新的草稿。
If it is, the document should be retrieved and a new draft should be made.
如果已经打开，就要检查调度代理运行的服务器。
If you do, check the server the agent is scheduled to run on.
如果已经缓存，只需检索该对象并继续进行处理。
如果已经退出，记得以tw_user重新登录。
如果已经存在表，那么清单2中的代码将清空该表。
The code in Listing 2 clears the table if it's already there.
如果已经安装好了svg查看器，则单击查看图形。
然而，如果已经读过第5部分，那么就可以往下做了。
However, if you have already read Part 5, then you are ready to go.
如果已经安装好了svg查看器，则单击查看该动画。
If you have installed an SVG viewer, click to see this animation.
如果已经指定了一个默认的动作，那么该动作将运行。
如果已经为文件系统启用了配额特性，可以跳过这一步。
If a quota is already enabled for the filesystem, this step can be skipped.
如果已经安装好了svg查看器，则单击查看这个例子。
If you have installed an SVG viewer, click to see this example.
如果已经太迟了呢？
问：如果已经来不及预防精疲力竭，你能改善这种状况吗？
如果已经遍历完前面的所有命令，则只能移动到下一个命令。
You can only go next if you have already gone back through your previous commands.
如果已经加载了类，则类定义会重新打开类以允许我进行变更。
If the class is already loaded, the class definition reopens the class, allowing me to make changes.
如果已经对系统做了任何改变，只能使用下面的方法。
If there have been any changes at all made to the system you must use the next option.
如果已经安装了该应用程序，那么您可以看一下此页面的源代码。
You can look at the source of this page for yourself if you have installed the application.
如果已经存储访问数据库的应用程序，可能已经足够了。
If you've already got some applications that have database access, this might be taken care of for you.
如果已经跳出，则会调用index_directory函数。
If they have been filled out, it calls the index_directory function.
如果已经分配了最低数量的对象，则对象的弱引用被放置到队列中。
If the minimum number of objects is already allocated, then a weak reference to the object is enqueued.
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