度量指标和试验是代码库的一部分，它们被签入到源代码控制系统种，并经历测试和预发布过程。
Metrics and experiments are part of the code base, they’re checked into source control, they’re run through testing and staging.
假设和理论，都是科学方法的一部分——它们是提出问题和依靠试验来回答问题的过程。
Hypotheses and theories are part of the scientific method - the process of asking and answering questions by experimentation.
方法的这一部分主要是大量的试验和出错，直到所有资源达到期望水平。
This part of the method consists primarily of a large amount of trial and error, until the desired levels for all resources are attained.
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