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请输入您要查询的英文单词：
单词
signum
释义
signum
英?['sa?ɡn?m]
美?['sa?ɡn?m]
释义
正负号函数
大小写变形:
SIGNUM
行业词典
昆虫学
囊突???
电工
正负号函数???
随便看
electro-acoustic measurement
electroacoustic measurement
electroacoustic method
electroacoustic modulator
electroacoustic noise measuring instruments
electroacoustic performance
electro-acoustic, phase shifter
electroacoustic projector
electroacoustic reciprocity principle
electroacoustic reciprocity theorem
electroacoustic recording
electroacoustic rehabilitation
electroacoustic rehabilitation equipment
electroacoustic relay
electroacoustic response
electro-acoustic response
electro-acoustics
electroacoustics
electroacoustic source
electro-acoustic, system
electroacoustic system
electroacoustic system laboratory
electro-acoustic tablet
electroacoustic thermometer
electro-acoustic, time announcement
英汉双解词典包含4367426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：2026/7/21 7:00:00