您要查找的是不是：
- It can be accomplished sowing work prescribing by the application maps based on the GPS signal under the control of mechanical variable speed unit. 该播种机由变量控制器控制机械式无级变速器,根据GPS的位置信号,完成处方图设计的播种施肥作业。
- 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。
- 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。
- 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。
- 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。
- The loading capacity of the submergible motor in variable speed drive control process is analyzed. 对潜油电动机在变频调速的负载进行了分析；
- Adopt multi-function digital-indication frequency converter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- A long? range controllable variable speed limit sign has been designed according to traffic regulations to alleviate traffic congestion problem. 为了更有效地解决交通阻塞问题,本文按照交通法规规定的外形尺寸、志状态设计了远程控制可变限速标志。
