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
- railway marketing
- railway marshalling station
- railway master data platform
- railway material management
- railway mileage
- railway mobile communication system
- Railway Nationalization
- railway operation
- railway over-zone feeding
- railway passenger car
- railway passenger service
- railway passenger service information system
- railway passenger station
- railway passenger tariff
- railway passenger traffic
- railway passenger train service work
- Railway Port of Suifenhe City
- railway retaining wall struction
- railwayretaining wall struction
- railway roadbed problems and remedial measures
- railway rolling stock
- railway rolling stock maintenance and repair
- railway sand prevention
- railway section block
- railway shunting hump