Another is to use motion capture gloves or hand trackers to record the needed motions, and a third way is to guide the robot directly like a teacher showing a pupil how to slice some meat.

另一种是用动作捕捉手套或手跟踪器来记录所需要的运动，而第三种方式是直接引导机器人就像一个老师表示学生如何切些肉。

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One or more wearable motion trackers, connected to a smartphone, deliver real-time 3D joint angles, position and velocity.

ENGADGET: Xsens teases wearable 3D body sensors that won't cost, will track an arm and a leg (video)

Soon, in-store sensors and motion trackers will watch your footsteps, see what your hands do, know when you hesitate and when you don't.

WSJ: Spying on Your Buying | Marvels

As part of a broader strategy, Xsens now offers IP originally developed for professional (B2B) applications of 3D body motion tracking using wearable motion trackers for mass market application in the consumer electronics industry.

ENGADGET: Xsens teases wearable 3D body sensors that won't cost, will track an arm and a leg (video)