If not present, issue the following command from the command line.
如果未提供，请从命令行中发出下列命令。
Downloads the image at the given URL if not present in cache or return the cached version otherwise.
如果图片不存在缓存中，就根据给定url下载图片，否则返回缓存中的图片。
These waters present a disposal problem if they are not returned to the ground from which they were removed.
这些水如果不回到它们所被移出的地面，就会造成处理问题。
If the file is not present, then the script exits, as no more processing should be carried out.
如果文件不存在，那么脚本将退出，并且不应执行任何处理。
One useful application of this ability involves using the validator to automatically set default values for certain fields if they're not present in the POST submission.
这个功能的一个有用的应用是：如果某些字段没有出现在POST提交中，可以使用验证器自动设置这些字段的默认值。
If the baseline file is not present at reporting time, the classes that were not loaded will be absent from the report.
如果基线文件没有在报告时出现，那么没有载入的类将不会出现在报告中。
If they don't improve the present, they're probably not very good goals.
如果目标改善不了现状，那这很有可能不是个好的目标。
If present trends prevail, the question is not if Nepal’s peace will fail, but when and how.
如果当前形势继续持续下去，尼泊尔和平进程注定会失败，只需关心失败时间和方式问题罢了。
If the user's home directory is not present, it exits and does not allow the user to log in.
如果用户的主目录不存在，它就退出，不允许用户登录。
The feature pack installation image also contains two required fixpacks and will prompt you to install them if they are not present.
FeaturePack安装镜像还包含两个必需的修补程序包，如果它们不存在，将会提示您安装。
If lastupdate is not present, then a password has never been set.
如果lastupdate不存在，就说明没有设置过密码。
The added code checks to see if the parameters.xml.done file is not present because if this file is already present, that means that the RDS installation is already done and should not be done again.
增加的代码用于检查 parameters.xml.done文件是否存在，因为如果这个文件已经存在，意味着RDS安装已经完成，不应该再次安装。
Supply these values if they are not present.
如果这些值不存在，请提供出来。
If the data or instruction is not present in the cache, or if the cache line is invalidated, the CPU updates its cache by reading the data from the main memory.
如果数据或指令没有出现在高速缓存中，或者如果高速缓存线路无效的时候，CPU通过从主存储器中读数据来更新它的高速缓存。
You also have the option to create tables on target nodes using master replicates if those tables are not already present.
如果那些表不存在，那么可以通过另一个选项使用主复制在目标节点上创建这些表。
If this configuration file is not present, the next searched for is C0A8000, and so on.
如果这个配置文件不存在，第二个搜索就查找C0A8000，依次类推。
If it is not present, you must create an empty file.
如果不存在，您就必须创建一个空文件。
What does it mean if an element is not present in a partial update?
如果一个元素没有在部分更新中描述，这意味着什么？
Always speak positively about past and present employers even if your experience has not been positive with them.
谈到过去和现在的雇主，永远要保持积极的口吻，哪怕你和他们处得并不好。
If no trail record was printed, this information would not be present.
如果不输出记录的剩余部分，就没有这些信息。
If an activity session is not present, the component will execute in the context of the existing unit of work scope or a local transaction.
如果不存在活动会话，则组件会在现有的工作范围单元或本地事务的上下文中执行。
If a global transaction is not present, the component will execute in the context of a local transaction.
如果不存在全局事务，则组件将在本地事务的上下文中执行。
When you go to publish or save a draft to your site, WLW will check that all these are present and, if not, ask you to add them.
当你保存完草稿准备发布文章时WLW会帮你检查你是否已经添加了这些，如果没有的话那么就赶紧吧。
If the XML input parameter file is not present, the script will prompt for input from the console.
如果XML输入参数文件不存在，则脚本将提示从控制台进行输入。
Find the argument, and generate a fault response if it's not present or has the wrong type.
找到参数，如果参数不存在或参数类型错误，则生成错误响应。
Much if not most of parenting is what I call present-but-not-interacting time.
很多或许不是大部分的抚养被我称之为面对面但无交流时间。
If a global transaction is not present, a new transaction scope will be established.
如果不存在全局事务，则会建立新的事务范围。
If it is not found, then the nearest matching combination present on the system is used.
如果未找到，则使用系统上存在的最接近的匹配组合。
They think if you are not satisfied with your present job, of course you have the right to replace it with a more challenging and better paid one.
他们认为如果你对现有的工作不满意，你当然有权利换一项更富有挑战性而且收入更好的工作。
Make it after the present fashion, please.What if it does not fit?
请做成时下流行的款式。如何不合适怎么办？
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