For qualifying blogs, this is an alternate source of revenue.
对于高质量的博客，这是一个替代的收入来源。
Understand whether an alternate source provides valid IDs or no IDs.
了解备用源是否提供有效的ID或者不提供ID。
This may be the best policy when the alternate source provides no IDs.
当备用源不提供ID时，这可能是最好的策略。
The real alternate source may provide valid IDs, invalid IDs, or no IDs.
实际的备用源可能提供有效的ID、无效的ID、或者不提供ID。
To cache the records from the alternate source, you need a cache per value type returned.
要缓存这些来自备用源的记录，您需要为返回的每种值类型设置一个缓存。
This means that an alternate source used by the facade must return either valid IDs or no IDs.
这意味着，facade所使用的备用源必须返回有效的ID或者不返回ID。
If you lost your main source of income tomorrow, could you find an alternate source to replace it?
如果你明天失去了主要的经济来源，你能找到一个取代它的供选择的来源吗？
You can determine which subpolicy to use (the first or the second) by knowing whether or not the alternate source returns valid IDs.
通过了解备用源是否返回有效的 ID，您可以确定使用哪个子策略（第一个还是第二个）。
To drive these per alternate source policies, you must identify the find, create, and update operations in the preferred source interface.
要驱动每个备用源的策略，您必须在首选源接口中标识查找、创建、和更新操作。
This policy may be most useful in migration scenarios when coupled with some sort of clean-up mechanism associated with the alternate source.
在迁移场景中，当与关联于备用源的某些类型的清理机制结合使用时，这个策略可能是最有价值的。
Easy language information fr a me and the window always on alternate source in the front, application programming source code, a good reference.
说明：易语言信息框与窗口总在最前的交互源码，应用程序编程源码，很好的参考资料。
For example, a service in a store may be implemented with the Preferred Data source Pattern, and one of the alternate sources is a service at the enterprise.
例如，可以使用首选数据源模式来实现商店中的服务，并且一个备用源就是企业中的一项服务。
But other experts argued that employment was a more crucial source of spending power than in downturns past, given how many alternate sources of cash had been lost.
然而，其他专家则表示，过去一段时间的危机使得各方对现金投入大大减少，因此，目前的就业情况对于现金流动来说，显得尤为重要。
If an alternate source doesn't natively expose the same interface, you can apply a transform pattern to the source; however, this pattern is out of this article's scope.
如果一个备用源没有在本地公开相同的接口，那么您可以对这个源应用转换模式，然而对这个模式的讨论超出了本文的范围。
The description for the simplest form must include a Web Services description Language (WSDL) document that describes the preferred source and all alternate sources.
对最简单形式的描述必须包括Web服务描述语言(WSDL)文档，该文档描述了首选信息源和所有备用信息源。
The WSDL for the alternate sources must differ from the preferred source, at least in the endpoint address; it may also differ in the binding(s) with a bit more work.
备用源的WSDL必须区别于首选源，至少在端点地址上有所区别，它在绑定方面需要进行更多的工作，这一点也不相同。
The mechanism (out of scope for this pattern) would run periodically to remove entity records that shouldn't be migrated from an alternate source to the preferred source.
这种机制（超出了这个模式范围）将周期性地运行，以删除那些不应该从备用源迁移到首选源的实体记录。
You may require a different set of actions when the matching records from an alternate source don't have a valid ID or have no ID; this would be the case for external sources like Acxiom.
当来自备用源的匹配记录不包含有效的ID或者没有 ID时，您可能需要进行一组不同的操作，对于外部源，如 Acxiom，便是这种情况。
Notice that specifying alternate names in a mapping model does not modify the source model.
注意在映射模型中指定一个名字，并不会改变源模型。
It behooves any board in such circumstances to try to address the real source of the difficulty, rather than use alternate means to accomplish a goal.
在这种情况下，任何董事会都应该努力找出并解决真正的根源问题，而不是采用迂回方式达到目标。
Have a safe alternate heating source and alternate fuels available.
准备安全的候补热源和候补可用燃料。
The story throws Shrek into an alternate reality in which he was never born, and thus has no friends or family, and no source of happiness.
片中，史莱克陷入了另外一个世界中，在那里他从没存在过，没有朋友和家人，更无幸福可言。
The computers are powered by the Linux operating system, an "open source" alternative to Microsoft Windows that allows software programmers the freedom to create alternate desktops.
Linux操作系统为这种电脑提供了支持，除微软Windows操作系统外，用户还可以选择Linux操作系统，这种“开放源码”能够允许软件程序员自由设计预备桌面。
In this race Google has nothing to lose but a lot to gain, and in a single shot has kick-started the standards-based and open-source alternate new web API.
在这场竞赛中，Google没有任何损失反而赢得盆满钵丰，Google一下子就启动了这个新web API的基于标准且开源的替代方案。
If that source provides no matches, the facade invokes the alternate information sources in a predefined order until matches are found or until it exhausts all the alternative sources.
如果这个源不提供任何匹配的结果，那么facade将按照预定义的顺序调用其他备用的信息源，直到找到匹配的结果、或者直到它查找完所有可供选择的信息源。
Now in the "alternate world" Colter saves the train, gets Russell Peters to make everyone laugh, gets the girl and sends an email to Goodwin detailing the power of the Source Code.
现在另一个世界，科特尔拯救了列车，让皮特斯逗大家笑，抱住女孩并发信给古德温说源代码的魔力。
Now in the "alternate world" Colter saves the train, gets Russell Peters to make everyone laugh, gets the girl and sends an email to Goodwin detailing the power of the Source Code.
现在另一个世界，科特尔拯救了列车，让皮特斯逗大家笑，抱住女孩并发信给古德温说源代码的魔力。
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