Such transmissions make use of a fluid coupling or a torque converter, as well as mechanical, hydraulic, or electrical controls.

除了用机械装置、液压装置或电力装置来控制外，这种变速器还使用液力耦合器或变扭器。

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For example, early models of high-speed railroad cars loaded with sophisticated controls were unable to operate in a snowstorm because a fan sucked snow into the electrical system.

例如，装有复杂的控制装置的早期高速列车模型无法在暴风雪中运行，因为风扇会把雪吸进电力系统。

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The user controls Paramecia using a handheld device, which delivers electrical pulses to different sides of the playing field.

用户用一台向游戏场景不同方向发送电子脉冲的手持设备控制草履虫。

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Before then automation controls amounted to electrical cabinets filled with banks of electromechanical switches.

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All planes have batteries, but the Dreamliner needs especially powerful ones because its control systems are driven entirely by electrical signals in place of the hydraulic controls seen on earlier generations of jet.

BBC: Boeing 787: Dreamliner's lithium ion batteries probed