base form

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A dictionary entry consists of a base form and multiple optional variants.
一个字典条目包含一个基本形式和多种可选变体。
Searching for the base form returns all inflections, including terms with possessive s, as shown in Listing 9.
搜索基本形式会返回所有的变形词，包括所有格 s 的词汇，如清单 9 所示。
The variants can include acronyms, abbreviations, synonyms, or any other variation or association of the base form.
变体可以包括首字母缩写、缩写词、同义词或任何其他变体或与基本形式相关的内容。

A set of threads called the warp form the base of the cloth.
If I'm talking about two DNA strands and they differ only in one or two base pairs they won't be exact complements and they won't form this double helix.
假设有两条DNA单链,有一两个碱基不能配对,它们就不能完全互补,也无法形成双螺旋形结构
耶鲁公开课 - 生物医学工程探索课程节选
That's because you have to satisfy this base pair matching in order to have hydrogen bonding in each of the struts of the ladder in order to form a stable structure.
NA双链要满足互补配对原则,以使碱基对之间,形成氢键,从而形成稳定的双链结构
耶鲁公开课 - 生物医学工程探索课程节选

But at some point perhaps the transition should occur and we should base the current form on the current, rather than archaic, methods of performing that function.
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