振动

When an electrical signal from an amp is passed through, the magnets interact and create rapid movement, allowing the speaker's drive unit – which is connected to the magnet – to vibrate.

当一个电信号从1安培是通过，磁体的互动，创造快速运动，让议长的驱动单元-这是连接到磁铁-振动。

Sinusoidal magnetisation ; magnetostriction ; ferromagnetic materials ; vibrations ; mathematical model

正弦电磁场；铁磁材料；磁致伸缩；振动；数学模型

Physics To cause beating by superposing waves of different frequencies.

振动：叠加不同频率的波以产生拍差，拍音

Vibration ; railway track ; ballast ; model ; experiment

振动；轨道；道床；模型；试验

Keywords: High-speed train; Bridge; Track; Vibration; Interaction

中文关键词：高速列车；桥梁；轨道；振动；相互作用

The driving system of the speaker is constructed by a circular PZT bimorph,which is clamped on its boundary,An elastical coupling element is utilized between the bimorph and the speaker cone.

扬声器的驱动元件是边缘固定的圆形PZT 双型弯曲振子，振动——辐射元件是圆锥形纸盆，这两部分之间采用弹性耦合。

Manufactures and markets test equipment products include: Programmable constant temperature and humidity testing machine, constant temperature and humidity box, high and low temperature testing machine, high-temperature box, cold temperature testing machine, hot and cold impact testing machine, the temperature cycling chamber, salt spray test machine, corrosion test chamber, the aging test machine, a large environmental test chamber, high temperature aging rooms, environmental test chamber, UV weathering test chamber, vibration, drop test machine, temperature water tank, clamshell laptop life testing machine, keyslife testing machine, testing machine drop life test simulation environment test equipment.

伟煌试验设备有限公司生产和销售的产品包括：可程式恒温恒湿试验机，恒温恒湿箱，高低温试验机，高低温箱，低温耐寒试验机，冷热冲击试验机，温度循环试验箱，盐水喷雾试验机，耐腐蚀试验箱，老化试验机，大型环境试验室，高温老化房，环境试验室，紫外线耐候试验箱，振动，跌落试验机，恒温水槽，笔记本翻盖寿命测试机，按键寿命测试机，跌落寿命测试试验机等模拟环境试验设备。

Human thermalregulation system ; biological heat transfer ; human blood heat transfer ; vibration ; liquid cooling garment ; ventilation ; micro gravity condition

人体热调节；生物传热学；人体血液换热；振动；液冷服；通风；失重环境

Dynamic structure analysis ; vibration ; finite element method ; impellers

结构动力分析；振动；有限元法；叶轮

Direct-drive system best for lockstitch sewing, vibration and noise are lower than any item of sewing machine nowadays.

H7900系列都安装了最适合平缝操作的直接驱动系统，振动、噪音低于目前任何一款平缝机。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。