loud-speaker 扩音机 ; 扬声器 ; 或复合词 ; 扩音器
cone loud speaker 锥形扬声器
magnetic loud speaker 磁性扬声器
hot wire loud-speaker 热线式扬声器
LS Loud Speaker 扬声器
band loud-speaker 薄带扬声器
balanced armature loud speaker 平衡舌簧式扬声器
loud speaker signalling 扬声器通信
piezoelectric loud-speaker 压电式扬声器
A loud speaker is a device which can convert electrical signal to voice signal and whose trend of development will be a smaller size and a better timbre.
扬声器是一种把电信号转换成声音信号的电声器件,正朝着尺寸小、音质好的方向发展。
参考来源 - 基于机器视觉的音膜同心度测量系统的研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： loudspeaker speaker speaker unit loudspeaker system speaker system
以上来源于: WordNet
N-COUNT A loudspeaker is a piece of electronic equipment that forms part of a public address system and transmits sound. 扬声器
The loudspeaker announced the arrival of the train.
广播说火车进站了。
N-COUNT A loudspeaker is a piece of equipment, for example, part of a radio or hi-fi system, through which sound comes out. 喇叭 [英国英语]
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