Firefox 4 will also include a number of updated developer tools like a timer API to test website performance and better memory diagnostic tools.
火狐4还将为开发者提供一些开发工具(比如有一个计时api可以测试网站性能)，以及更好的内存诊断工具。
Metal magnetic memory diagnostic instrument (EMS 2000) was used to test three different structures, and signal processing software was used to analyse test results in different ways.
利用EMS 2 0 0 0金属磁记忆诊断仪对三个不同构件进行检测试验，并使用信号处理软件对检测结果进行不同方式的分析。
It permits clients to vary the amount of diagnostic memory collected without a reboot.
它允许客户改变收集的诊断内存量，而无需重新启动。
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