即使是微小的改进也能够对性能和可维护性产生积极的影响，并在某些异常的项目周期中使您保持理智。
But even small improvements can provide a positive impact on performance, maintainability, and on you keeping your sanity during some very crazy project cycles.
本文的意义在于，能够把XPath融入到现有的XML程序开发中，并能立即获得性能和可维护性上的提高。
The point of this article is that you can incorporate XPath into your existing XML program development and reap immediate rewards of performance and maintainability.
在J2EE企业应用开发中，采用MVC设计模式，能简化软件开发的过程，加快开发进度，提高软件的性能和可维护性。
The J2EE based use of MVC design pattern in the enterprise development can simplify developing process, quicken developing speed and improve quality and maintainability of the software.
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