The parallel inverter was used to explain the capacity of variable-speed system.

为了增大调速系统容量，采用了逆变器并联的方式。

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A decoupled power controller based on inverse system theory was developed for a variable-speed doubly-fed wind power generation system.

应用多变量非线性控制的逆系统控制理论，对双馈型变速风力发电系统的有功功率和无功功率进行了解耦控制。

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Power and Gearing device: Various kinds of motor, reducer, variable-speed motor, lift machine, protection device, and electronic control system etc.

动力与传动装置：各种类型电动机、减速机，变速机、电梯主机，保护装置，电控系统等。

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Other shooting modes for capturing action include high-speed digital still recording at up to 60fps and variable speed time-lapse recording.

ENGADGET: JVC launches Procision slow-mo HD camcorder, refreshed Everio line at CES

The Free Fighter includes four fully customizable macro buttons for quick access to combos, as well as two variable speed turbo buttons for fast, slow or user-created tap speed.

ENGADGET: Nyko Free Fighter joystick brings flexible controls, arcade flair to the PS3

The plans for the motorway near Sheffield include variable mandatory speed limits displayed on overhead and verge-mounted signs to smooth traffic flow and reduce congestion said the agency.

BBC: M1 managed motorway ?150m plans on public view