For example, you can define a threshold alert to be triggered if your Buffer Pool Hit ratio drops to below 60% for a warning level or 55% for a problem level.
例如，您可以定义当BufferPoolHitratio下降到低于60%时触发一个警告级阈值提醒，或者低于55%时触发一个问题级阈值提醒。
The WHO moved a meeting scheduled for Tuesday to Monday to decide whether to raise its pandemic threat warning level by a notch, from 3 to 4 (on a scale of 6).
世界卫生组织将一项会议安排从周二提前到周一，会上将确定是否将其流行病威胁预警调高一个等级，从3调至4（总共有6个等级）。
So scientific evaluation of geological hazard forecast and warning level becomes an important question for discussion.
因此，对其水平进行科学评价已成为一个重要的研究课题。
Determine what options your compiler offers for increasing the warning level. Recompile selected earlier programs using this option to see whether additional problems are reported.
确定你的编译器提供了哪些提高警告级别的选项。使用这些选项重新编译以前选择的程序，查看是否会报告新的问题。
Currently, flight delay is a growing serious problem worldwide, so the task for forecasting the warning level of flight delays is more and more pressing.
目前航班延误已经成为世界范围内一个日益严峻的问题，对于大型机场进行航班延误预警工作显得日趋紧迫。
Currently, flight delay is a growing serious problem worldwide, so the task for forecasting the warning level of flight delays is more and more pressing.
目前航班延误已经成为世界范围内一个日益严峻的问题，对于大型机场进行航班延误预警工作显得日趋紧迫。
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