In order to identify any performance bottlenecks, it is important to know the time spent by software that the application is interacting with while servicing an end-user request.
为了找到性能瓶颈，必须了解在为最终用户请求服务的过程中应用程序所交互的软件花费的时间。
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It is in order that the common service electricians master the categorical way to the servicing of this kind of equipment.