我们都听说，为了获得较好的列表性能，不应该超过2000条的限度。
We have all heard about the 2000 items limit that should not be exceeded in order to achieve good list performance.
您应该保留一个您的平台适用的潜在优化列表，并在每次需要改善应用程序的性能时浏览整个列表。
Keep a list of potential optimizations that apply to your platform and look through the entire list every time you need to improve the performance of an application.
以下是PDH接口中可用的不同性能详细级别的列表。
The following is a list of the different performance detail levels available from the PDH interface.
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