请输入您要查询的英文单词：
单词
plus-minus sign
释义
Definition of
plus-minus sign
in English:
plus-minus sign
noun
The mathematical symbol ‘±’.
Origin
1930s
.
Definition of
plus-minus sign
in US English:
plus-minus sign
noun
The mathematical symbol ‘±’.
Origin
1930s.
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/3/20 4:50:18