A control device for step motor, through low cost configuration can make the electric testing for the load of step motor and prevent braking step effectively.

一种步进电机控制装置，通过廉价配置可以电检测步进电机负载并有效防止失步。

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On account of present status of electric testing system, Electrical integrated testing system is proposed, including testing process 'automation and fasting refer of technical data.

针对电气试验系统的现状，提出了建立试验过程的自动控制、技术数据快速查阅的电气综合试验系统。

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Already, utilities, retailers, hamburger joints and others are scrambling to prepare for the swarm of electric and hybrid vehicles, and several are market-testing on-site charging stations.

公用事业、零售商、汉堡店及其他群体都争先恐后地期望成为电动车、混合动力车的充电站，其中一些业已成为市场测试的现场充电站。

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Several companies have already started field-testing battery-electric passenger cars and light trucks for use in their fleets.

MSN: Fleets likely to drive early demand for electric cars

The Wave Hub, an electric "socket" for testing wave energy machines off the north Cornwall coast, has been unused since it was installed on the seabed in 2010, but managers say the first device is expected to be connected this year.

BBC: Scottish and English marine energy parks join forces

While GM gave up on the car, AeroVironment kept up its electric vehicle research and development and has been offering EV charging and testing equipment and services to automakers as well as selling a line of chargers for heavy-duty electric forklifts.

FORBES: AeroVironment Will Build A Filling Station In Your Garage