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- variable speed modem 变速调制解调器
- The drill has variable speed control. 这钻机有变速控制。
- Accelerator Non-contact continuously variable speed system. 无极变速系统。
- Independent variable speed drives on telescoping section. 套车部件的自变数速度驱动器。
- Variable speed is almost essential if drilling is to be accurate. 如果钻孔要精确，则可变速度是必不可少的。
- Family members in Canada and Scotland shared the cost of a P.C. with a high speed modem and lessons for their grandmother. 在加拿大和苏格兰的家庭成员分担了一台电脑，一个高速调制解调器以及为奶奶准备的课程的花费。
- Contolled by microcomputer , displayed by LED , stepless variable speed . 采用微电脑控制，LED显示，无级调速。
- Adopt multi-function digital frequency inverter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- Variable Speed Buffing Wheel: Another luxury for the serious clayer. 多速打磨轮：软陶爱好者的另一样奢侈品。
- Coarse material is conveyed by a stream of air to variable speed whizzer-separator. 粗料由空气流输送到变速风力选粉机那里。
- Tongue shaped design vibrator. It comes with a powerful micro motor with variable speed control. 小圆点设计震动舌头：配备超静音微型强劲马达之无段变速按摩器。
- Using importation system of infinitely variable speed,can adjust productional speed. 采用进口无级变速系统，可调节生产速度。
- DPLC applied technique of the high speed Modem DPLC中应用的高速调制解调技术
- An idea of design is provided for asynchronous m otor of variable frequency variable speed in this paper mainly. 本文主要为变频调速异步电动机的设计提供一条思路。
- PCM modem is the highest speed modem on the PSTN network,which offers 56 kbit/s data signaling speeds in the direction of ISP(Internet Service Provider)to client,which also is the hot subject of ITU TSS SG16.Now its related content is introduced. PCMModem是迄今为止在PSTN网上出现的最高速的Modem，它在ISP（InternetServiceProvider）到用户方向上实现了56kbit/s的数据传输速率，本文介绍了有关的技术概况。
- For this reason, it has the absolute advantage to adopt the technique of variable speed constant frequency (VSCF). 为了提高风能的利用率,变速恒频(VSCF)风力发电技术有其绝对的优越性。
- The papers study the technology of variable speed drive in electric submergible pump. 本文主要论述了潜油电泵系统变频调速的应用技术。
- For variable speed drives, a speed set-point box should also be provided, with indicator of running current. 针对不同速度的驱动器，还应该提供带有当前运行指示器的速度置位点框。
- From those studies, we may know the variable speed drive in electric submergible pump is feasible and may run reliably. 根据以上的研究可知，潜油电泵系统采用变频调速是可行的，并且能可靠地运行。
- The VSCF (Variable Speed Constant Frequency) wind power generation is a new technology. 风速仿真是风力发电研究的重要手段之一。
