In order to produce an estimate, most methods will ask the estimator questions about what methodologies and design and development practices are standard in his or her environments.
为了生成评估，很多评估方法都需要询问评估人员有关在他的环境中标准的开发方法和设计开发实践是什么的问题。
In addition, one can also use performance data from existing systems or estimate future workloads, using the IBM system workload Estimator (WLE).
另外，IBM System Workload Estimator (WLE)还可用于从现有系统获取性能数据，或估算将来的工作负载。
The purpose of the WAG generator is to provide the estimator with a rough and ready estimate that may be accurate enough to make decisions in the absence of time consuming analysis.
WAG生成器的目的是为估算者提供一个粗略可用的估算，这估算在缺乏耗时分析时也许足够精确以做出决策了。
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