This will ensure that there is demonstrated "value" early in the implementation process, which will encourage and sustain the continued use of existing practices; and the introduction of new ones.
这将确保在实现过程的早期有论证的“价值”，这将鼓励并支持现有实践的继续使用，以及新实践的引入。
The Jetty implementation integrates well with existing frameworks and solutions and could be the practical choice if you want to use the added value of Comet without diving into the technical details.
Jetty 实现与现有的框架和解决方案紧密集成，如果想在不深入了解技术细节的情况下使用 Comet 的其他功能，它是比较实用的选择。
The new value that you use to replace an existing value can also be computed.
用来替换现有值的新值也可以通过计算产生。
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