O SIMM标准列出了较宽跨度的SOA成熟度模型，同时又介绍了各种成熟度能够得到的收益。
The OSIMM standard provides an opportunity to see a wide range of SOA maturities and at the same time understand the different benefits that accrue with each.
这个类提供的方法可以用于通过标准的数学转换（比如 1 分钟 = 60 秒，1 天 = 24 小时），将时间跨度转换为标准单位（比如秒、分和小时）。
Methods on this class can be used to convert to standard units such as seconds, minutes, and hours, using standard mathematical conversions (such as 60 seconds in a minute and 24 hours in a day).
描述度量值跨度(或者说漂移)的最常用统计技术是标准偏差(standard deviation)。
The most common statistic for describing measurement spread (or scatter) is the standard deviation.
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