Each quantitative data point or variable you collect will be continuous or discrete, but as a whole, you are dissecting your data in one of two ways.
你收集的每个数据点或变量将是连续的或离散的，但作为一个整体，你可以将数据分为以下两种方式中的一种。
That could be extended to all discrete random variable and vector with the infinited countable distribution series.
并且将它推广到任意具有可数无限分布列的离散型随机变量和随机向量。
The optimal method-penalty technique can be used to solve discrete variable project problems.
用优化方法解决离散变量的工程问题，可采用惩罚函数法。
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