A flexible biosensing system with in-sensor machine-learning functionality can recognize up to 21 hand gestures in real time based on surface electromyography patterns from a forearm.

中文翻译：

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随时随地学习的生物传感器

基于前臂的表面肌电图模式，具有传感器内机器学习功能的灵活的生物传感系统可以实时识别多达21个手势。