Like IIS, during the lifetime of a request the ASP.NET engine fires events signaling its change from one state of processing to another.

与IIS一样，ASP.NET引擎在请求的有效期内将会触发事件，通过发信号来表示其处理过程从一个状态改变为了另一个状态。

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This lifecycle starts with the submission of a change request, flows through the implementation and validation of the resulting changes, and the final resolution of the request.

这种生命周期从变更请求的提交开始，接下来是结果变更的实施与确认，最后是请求的解决。

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The diary of the change request is important because it can be used to analyze the effectiveness of the process.

更改请求的日志很重要，因为它可以用于分析流程的有效性。

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Two further planning applications, including a change of use request, were rejected by Colchester Borough Council in September 2011.

BBC: Colchester's landmark water tower could open to public

McKenna Pope's Change.org petition earned more than 40, 000 signatures and the support of celebrity chefs who backed her request to change the Easy-Bake Ultimate Oven's girl-centric pink and purple packaging to include boys, too.

CNN: December 18, 2012 -- Updated 1712 GMT (0112 HKT)

Still, that change would have had to be a custom request of the private funders of the Olympic team, who -- unlike the Congress -- might have felt obligated to stay within budget.

CNN: Why NOT make Olympic uniforms in China?