英语词汇“summation sign”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	summation sign
释义	summation sign summation sign [sə′mā·shən ‚sīn] (mathematics) A capital Greek sigma (Σ) that indicates the members of a set are to be added together, and has numbers below and above it indicating the range of values of an index that are to be included in the summation.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。