Again, the answer lies in backward compatibility.
答案同样是因为向后兼容性。
Good-bye backward compatibility, hello structure.
告别向后兼容性，引入结构。
Unfortunately, backward compatibility is an issue.
但遗憾的是，向后兼容性是个问题。
Maintain backward compatibility with the original schema.
维持和原始模式的向后兼容性。
Functional Test to address our backward compatibility concern.
执行功能测试，消除对向后兼容性的担心。
It contains many panes not in use but kept for backward compatibility.
它包含许多不再使用但用来后向兼容的窗格。
They want to add new functionality while maintaining backward compatibility.
他们希望在添加新功能的同时保持向后兼容性。
The development laboratories work very hard to ensure backward compatibility.
开发人员设法确保实现向后兼容性。
This is still legal syntax, but mainly for the sake of backward compatibility.
这仍是合法的语法，但主要是为了向后兼容。
The backward compatibility assessment, stage 1, is examined in the next section.
第1阶段(向后兼容性评估)将在下一部分中进行讨论。
This addresses the backward compatibility issue in as much as it doesn't affect HTTP.
这样就在尽可能不影响HTTP的情况下解决了向后兼容性的问题。
The first driving factor for the site was backward compatibility with older browsers.
该站点的第一个决定因素是对旧浏览器的向后兼容性。
Adding elements and reordering operations doesn't break backward compatibility in WSDL.
添加元素和重新对操作排序不会破坏WSDL中的向后兼容性。
Protocol adapters can be used to provide backward compatibility to existing and established NMSs.
可以用协议适配器来提供对现有的和已建立的NMS的向后兼容性。
Also, you probably spend far too much time ensuring backward compatibility with obsolete browsers.
并且，您也可能花费了过多的时间来确保对旧浏览器的向后兼容性。
The concept of backward compatibility is closely related to the concepts of change and change management.
向后兼容性的概念与变更和变更管理 的概念紧密相关。
The ideal is to accommodate an extensible list while you maintain backward compatibility (see Resources).
我们的目标是在保持向后兼容性的同时实现一个可扩展的列表(参阅参考资料)。
In fact, much of the code has been completely rewritten, in some cases at the expense of backward compatibility.
实际上，许多代码都被完全重新编写过了，这样做在某些情况下是以牺牲向下兼容为代价的。
The XAP 7.1 server now embeds Spring 3.0, and supports backward compatibility to the earlier Spring 2.5 version.
XAP 7.1服务器现在嵌入了Spring 3.0，向后兼容早期的Spring 2.5。
The second is not discussed here, but does present interesting challenges in backward compatibility and flexibility.
这里不讨论第二种选择，但它的确在向后兼容性和灵活性方面提出了有趣的挑战。
On the other hand, online app vendors like Zoho are extending the apps to the offline mode for backward compatibility.
另一方面，类似Zoho这样的在线应用提供商正为了向后兼容将这些应用拓展到离线模式。
For developers who have written applications for both iPhone and iPad, this backward compatibility will feel familiar.
对于编写iPhone与iPad应用的开发者来说，这种向后兼容性是再熟悉不过的了。
You can maintain backward compatibility by creating a new operation based on the old one and keeping both in the interface.
可以通过基于旧操作创建新操作，并同时保持两个接口来保持向后兼容性。
With all this attention going to features, most users don't realize that backward compatibility is what they really value most.
由于大多数用户一味地将注意力放在特性上，他们没有意识到向后兼容性（backward compatibility）才是真正最有价值的东西。
New, compelling features are added with each release, but preserving backward compatibility is Paramount to the project leaders.
每个发行版都添加了引人注目的新功能，但是对于项目主管来说，保留向后兼容性是极为重要的。
Although it is becoming easier, backward compatibility depends on the expectation of your client and needs of your client's users.
尽管越来越容易了，但是向后兼容性仍然依赖于客户的期望和用户的需要。
These methods are still supported for backward compatibility in Lotus Connections 2.5, but they should not be used for new widgets.
这些方法在LotusConnections 2.5中仍然受到向后兼容性支持，但不应该在新的小部件中使用它们。
Ability to specify encoding style (SOAP versus proprietary), thus supporting backward compatibility with today's non-SOAP implementations.
定义编码方式的能力(SOAP还是私有的)，以便对目前非soap实现提供向后兼容支持。
But the general tendency in Sun specifications is to always maintain backward compatibility, or at least maintain it for quite a long time.
但是Sun规范总体趋向于始终维护向后兼容性，或至少在相当长的一段时间内维护向后兼容性。
But the general tendency in Sun specifications is to always maintain backward compatibility, or at least maintain it for quite a long time.
但是Sun规范总体趋向于始终维护向后兼容性，或至少在相当长的一段时间内维护向后兼容性。
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