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在统计学中，算术平均数和调和平均数都是常用的描述数据集中趋势的指标，但它们的计算方法和解释有所不同。 算术平均数：算术平均数是一组数据中所有数值的总和除以数据的个数。它是最常见的平均数类型，用于表示数据的集中趋势。算术平均数对数据中所有值进行等权重的考虑，不考虑各个值之间的差异。 举例来说，假设有一 阅读全文
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一共有7种子组合 01 [,2C][.2E] en-US02 [ C2A0][,2C] fr-FR03 [.2E][,2C] da-DK04 [’E28099][.2E] de-CH05 [ C2A0][.2E] tn-BW06 [,2C][/2F] fa-IR07 [’E28099][,2C] w 阅读全文
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How to fix UTF encoding for whitespaces? 194 160 is the UTF-8 encoding of a NO-BREAK SPACE codepoint (the same codepoint that HTML calls ). So i 阅读全文
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Runaway Regular Expressions: Catastrophic Backtracking Consider the regular expression (x+x+)+y. Before you scream in horror and say this contrived ex 阅读全文
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2024-04-23 Index Word Pronunciation Parts of Speech Explanation Translation in Chinese 1 superstition ˌsuːpəˈstɪʃən noun Belief in supernatural causal 阅读全文
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2024-04-22suitability, prejudice, villain, dutiful, thumbtack,elderly, hut, beaker, soccer, submissive,scoop, crumb, missionary, torch, quiz 2024-04-2 阅读全文
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Cod de identificare fiscala(RO) / DIČ : CN45678956 Cod de identificare fiscala / DIČ CN4578963 只需要过滤出第二个数据，不包含冒号的 ^(?!.*:).*?Cod.* (?<clientVatNumber> 阅读全文
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Listing each branch and its last revision's date in Git List remote Git branches and the last commit's author and author date for each branch. Sort by 阅读全文
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2024-03-31miniature, overturn, extraordinary, expertise, nourish,civilian, supervision, flint, combustion, expel,medium, economics, loosen, footpath, 阅读全文
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2024-03-31 index word pronunciation parts of speech explanation translation in Chinese 1 miniature /ˈmɪnɪtʃə/ adjective/noun As an adjective, very sma 阅读全文