Note: The above will run some standard tests based on default settings for matrix sizes.
注:上面的步骤会基于矩阵大小的缺省设置来运行一些标准测试。
Note: it may be impossible to measure the "true" standard deviation.
注意:不可能测量出“真实的”标准偏差。
Note that normalization is standard practice in any database-oriented application.
注意数据的规范化在任何面向数据库的应用程序中都是标准实践。
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