A MIDI switcher allows switching between multiple devices, and eliminates the need to physically repatch cables.

MIDI 切换器允许在多个设备之间进行切换，并且不需要物理地更换电缆。

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RailPower Technologies Corp.'s Green Goat—a diesel-electric "switcher" (small, short-distance locomotive) used for assembling, disassembling and moving train cars in rai...[More]

RailPower 技术公司的“绿色山羊”——使用了柴油和电力两种能源的转换器（小型，短距离火车头），以此来在铁轨上组装，拆卸并且移动火车车厢。 这种转换器自2001年研制成功以来，就成为了铁路产业的第一个简易的混合能源装置。

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Accordingly, a career switcher going into banking really needs to get into one of these top schools.

相应地，要转行加入银行业的人，一定要进入一家这种顶尖商学院。

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Well, folks, today's the day the Livestream Studio family grows by one, welcoming the addition of a software-based switcher tool that aims to be yet another on-the-go option for roving broadcasters.

ENGADGET

We never really found ourselves using the thumb wheel in our first-person shooters, but you can think of it as a two-way rotating programmable button if you will, and it spins in small enough increments to find use as a weapon or ability switcher.

ENGADGET: Exclusive: Mad Catz Cyborg Rat 9 review

The task switcher also received a much requested upgrade and now lets you scroll through your last 18 launched apps, instead of just the five most recent.

ENGADGET: Android 3.1 on the Motorola Xoom: hands-on (video)