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1·Probe to fire every 500 milliseconds (wall clock time).

这指定每隔500毫秒(时钟时间)触发一次探测。

2·Example: Probe to fire every 500 milliseconds (wall clock time).

示例：每500毫秒(墙上时钟时间)触发一次的探针。

3·A simple performance metric is wall clock time, or measuring the real-world delay between a request for a page and a finished rendering.

一个简单的性能指标是挂钟时间(wall clock time)，或测量页面请求与完成呈现之间的实际延迟。

4·That means you can compare runs reliably and measure finer performance differences than you can with tools that only measure wall clock time.

这意味着您可以更可靠地比较这两种趋势，度量与只使用度量“运行时间”工具相比较时地良好性能差别。

5·For some circumstances — say, running the Web server, database, and browser locally on your own workstation — wall clock time can be informative.

对于某些情况——比如在您自己的工作站本地运行的Web服务器、数据库和浏览器——挂钟时间能够提供信息。

6·For certain classes and methods in my application I want to see the invocation counts, the average self execution time and the average wall clock time.

对程序中的某些类和方法，我需要了解它们被调用次数，各自平均执行时间和整体平均时间

7·However, wall clock time is merely anecdotal for most other permutations, such as those that include network latency; a trafficked, live Web server; or an active database.

然而，挂钟时间对于其他大多数情况而言并无实际意义，比如网络延迟时间、活动的Web服务器或者活动的数据库。

8·These Numbers must be taken with a grain of salt, because they only represent the time the process spent on the CPU, not the real time it took to execute (also known as the wall clock time).

但是不能完全相信这些数值，因为它们仅表示进程耗费在CPU上的时间，而不是其真正的执行时间(也称为时钟时间)。

9·A digital clock on the wall shows the time in Afghanistan and Iraq.

墙上的数字时钟显示着阿富汗和伊拉克的两地时间。

10·Star Wars themed alarm clock will project the time on your wall.

这款星球大战主题闹钟会把时间投影到你的墙上。