High paging indicates a lack of RAM; a high scan rate (the sr column) shows a potential memory bottleneck.

较高的分页表示缺少RAM，较高的扫描速率(sr列)显示了潜在的内存瓶颈。

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From there, you may need to adjust the scan rate (a setting that the PowerStrip tool allows you to modify) until you get a stable picture.

从这里开始，可能需要修改扫描频率(PowerStrip工具可以修改这个设置)，直到获得稳定的图像为止。

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In the example in Figure 2, this should reduce the scan-to-free rate by more than a half, which will reduce overhead.

对于图2中的示例，这应该会把扫描可释放页面的速度提高一倍多，这会降低开销。

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Another problem, Einstein noted, is that doctors often don't know what a patient's heart rate will be until he or she is on the table being readied for the scan.

CNN: Heart test can pack radioactive wallop