Counting customers with motion sensors as they enter a supermarket is one thing, but sorting them into social or racial groups using video analysis is another.
在顾客走进超市时用动态传感器对顾客计数是一回事，而用视频分析把顾客们分类为社会或民族群体却是另外一回事。
By counting the different kinds of words a person says, he is breaking new linguistic ground and leading a resurgent interest in text analysis.
通过计算一个人说话时使用各类单词的数量，他为语言研究开辟了一片新天地，学界对语篇分析的热情卷土重来。
Frequency analysis is just a fancy way of saying "counting letters."
频率分析只是“对字母进行计数”的另一种有趣表达。
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