文学 扬声器 释 loudspeakers 扬声器 将电信号转变成机械振动并辐射出声功率的电声换能器。 工学 电声换能器 释 loudspeaker 扬声器 把电能转换为声能并在空气中辐射到远处的电声换能器。
光学、声学 声学 loudspeaker 扬声器 ＞声学＞声学材料＞释义 loudspeaker 扬声器 reproducer ①扬声器 ②再现设备，重现装置 speaker 扬声器
计算机应用 多媒体 释文 speaker 扬声器
- present algebra
- present analysis and assessment of water conservancy planning
- presentation
- presentational
- presentation edition
- presentation matrix
- presentation of a group
- presentation of length n
- presentative
- Present-Day Tasks of Language Reform
- Present-Day Tasks of Language Reform and Chinese Phonetic System
- Presented School Regulation
- Presented to Cao Biao, Prince of Baima
- presenteeism
- pre-sentence inspection
- present-focus
- presentive
- Presentness
- present value
- present value of bond
- present weather measurement instrument
- preservation
- preservation and conservationProject for China’s ancient books
- Preservation and Conservation Project of Materials in Minguo Period (1911～1949)
- preservation and conservation standards