您要查找的是不是：
- Three speed playback allows the user to slow down or speed up playback for purposes of transcription or note taking. 3允许用户回放速度放慢或加快播放或转录为笔记.
- The first switch, three speed fan control switch speed, low, or medium, or high ((no fan off position). 第一个按钮，风扇速度转换控制：低、中、高（没有风扇关闭按钮）
- The cooker was changed in which a heating instrument and a changeable speed motor were installed. 将一个加热装置和一个变速电机装入熬胶锅中，就可制造分散松香胶了。
- A163 is the model of three speed adjust doorcloser, the loading weight is 45-75kg and doorsize is 800-1200mm. 此款三段调节闭门器A163 承重力为45-75KG;适合门扇大小是800-1200MM.
- The traditional electric wheelchairs are equipped with a high speed motor and reduction gears. 摘要:本篇论文欲设计一个创新的手轮马达，并将此应用于电动轮椅。
- Harley-Davidson motorcycles are now available with three speed sliding-gear transmissions with final and primary drive on the same side. 哈雷戴维森摩托车开始使用主副减速器在同一侧的三速滑动齿轮传动系统。
- Yeomans FTa610 and 620-WG Simplex and Duplex Controllers are designed for constant speed motor control in waste water pumping applications. 美国约曼FTa61O和62O-WG简易型和豪华型控制装置适用于污水泵设备的恒速电机控制。
- The key idea of the new design is a 2-degree-of-freedom seven-bar linkage mechanism driven by a large constant speed motor and a small servomotor. 该设计的核心思理是由大功率的常速电机和小功率的伺服电机混合驱动一个两自由度的平面七杆机构。
- In a mobile office set up near the starting chutes 13 route editors, three speed setters, three managers, a statistician and a strategist waited for the DARPA CD. 他们在起点斜坡道附近设置了行动办公室，其中有13个人处理路线编辑、三个人设定速度、三个人负责控管协调，还有一个统计专家和一个策略专家，在这里等著DARPA的光碟片。
- The machine can control 6 frequency converters with isochronous speed control The machine can run at three speed modes,that is,uniform velocity,sectional running and two-section random running. 本机可控制六台变频机，且具有同步随机运行三种方式。本机可实现匀速运行，分段运行和两段随机运行三种方式。
- This paper presents an analyzing method of predicating the performances of variable pole adjustable speed induction motor. It provides theoretical basis for suitable design of variable pole adjustable speed motor. 本文提出了一种预测变极调速异步电机性能的分析方法 ,为合理设计变极调速电机提供了理论依据。
- Single speed motor drive connected to a Helical Worm Gear and a totally enclosed Connecting Gear Box with heavy duty chain drive to the rolls and with fixed friction ratio according to customers request (normally 1: 1,2). 系统带有同螺旋涡齿轮以及全封闭齿轮箱的单速马达，它带有重型链传动系统并可根据客户的需要固定摩擦比（通常为1:1.;2）。
- With a team of proficient engineers, MPCL is able to provide consulting and installation services for all types of high voltage substations as well as variable speed motor drive systems. 拥有一支专业工程师的队伍，明电太平洋有能力为所有高压电器安装及马达变速系统提供顾问及安装服务。
- Target recognition rates, under the three speeds, increase by about 20% in evolutional generation (EG) ranges, of SGGA, from 5 to 10 and from 10 to 15. 随机梯度遗传算法进化代数从5增加到10以及从10增加到巧时，三个航速下的目标识别率按照接近20%25的比例增加。
- The structures,technology and materials of cast iron brake shoes for locomotives and high speed motor cars are greatly improved in line with different application conditions in Russia and Japan. 俄罗斯、日本根据使用条件不同，对机车和高速动车铸铁闸瓦的结构、工艺、材料方面进行了较大的改进。
- The speed of the electromagnetic adjustable speed motor can be adjusted uniformly continuously and steplessly within the specified adjustable speed range with an output of rated torque. 它能在规定的调速范围内均匀地、连续地无级调速，并能输出额定转矩。
- Model XAL-1450Vertical Fabric Splitting Machine:three speeds(20,29,38 rpm)are realized at the output shaft of the main trasmission,which can be altered by operating the handle. XAL-1450立式裁布机主传动部分变速箱的输出轴有 20，29，38转/分三种速度，可搬动手柄进行变速。
- The result showed that control was easy and dynamic propriety was good.This magnetic bearing had widely application in flywheel energy storage system, super high speed motor, and so on. 研究结果表明，该磁轴承控制方便，动静态性能良好，在飞轮储能、超高速电机等领域具有广阔的应用前景。
- Testing Method for Three Phase Dual Speed Motor Winding Terminals 三相双速电动机绕组接线端的检测方法
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
