The muscle-computer interface enables hand and finger input by means of gestures learned from an electromyographic recognizer collecting muscle signals from a band of sensors on the upper forearm.

而肌肉-计算机界面(muscle - computer interface)则使通过佩戴于前臂上端的一圈传感器收集肌肉信号，再通过肌电信号识别器解读手势动作，从而能够识别手掌和手指点击在皮肤上的信号。

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It does give the developer a little flexibility when it comes to designing a user input screen, because you don't have to make it completely finger friendly.

在设计用户输入屏幕时，它为开发人员提供了更大的灵活性，因为不太需要考虑适应手指操作了。

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InfoQ: Many mobile devices have input methods that include touching the screen, in some cases with more than one finger.

InfoQ：很多移动设备都有数种输入方式，包括触摸屏，有时还需要多个手指进行操作。

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It always supports a mix of pen and finger input.

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Apple's implementation would slim things down by either having electrodes share duties, both driving the display and taking finger input, or stuffing two electrodes into each pixel to accomplish the same goal.

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Well, considering Android was built primarily around finger input, the stylus certainly adds a new (and rather unexpected) dimension to Google's mobile OS, which is why HTC's focused quite a bit on adding some pen-based applications.

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