V2EX short exact sequence

Short Exact Sequence

定义 Definition

“短的精确序列”:指长度较短、且需要逐字符/逐碱基完全一致才能匹配的一段序列。常见于生物信息学、文本检索与字符串匹配中(例如在基因组里寻找某个短片段的精确出现位置)。

发音 Pronunciation

/rt zkt sikwns/

例句 Examples

We searched the genome for a short exact sequence.
我们在基因组中搜索一段短的精确序列。

The algorithm indexes millions of reads to quickly find any short exact sequence that matches the query without errors.
该算法对数百万条测序读段建立索引,以便快速找到与查询完全无误差匹配的任何短精确序列。

词源与用法 Etymology & Usage

  • short 源自古英语 sceort,意为“短的”。
  • exact 源自拉丁语 exactus(“严格的、精确的”)。
  • sequence 源自拉丁语 sequentia(“相继、序列”)。
    组合在一起时,这个短语强调两点:长度不长(short)与匹配必须完全一致(exact)。在技语境中常与 exact matchpattern matching、基因序列比对/检索一起出现。

相关词 Related Words

文学与作品 Literary Works

  • Biological Sequence Analysis(Durbin, Eddy, Krogh, Mitchison):在讨论序列模型与搜索时常涉及“精确匹配/短片段匹配”等概念语境。
  • Bioinformatics Algorithms: An Active Learning Approach(Compeau & Pevzner):讲解字符串算法、索引与序列搜索任务时,常使用“短的精确匹配片段”这一类表述。
  • Introduction to Algorithms(Cormen et al., CLRS):在字符串匹配与相关算法章节中,常出现“exact”与“sequence/strings”结合的用法与概念背景。
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