And in the iPhone 4, a new gyroscope allows for additional motion-sensing capabilities, too, like the ability to track orientation, velocity and rotation.

iPhone 4的陀螺仪则支持更多动作感知功能，比如跟踪方向、速度和旋转等。

youdao

So I mentioned to you that the motion of the center of mass is very uniform in the absence of external forces, and that I can demonstrate for you again with the air track.

我向你们提到过,重心的运动是稳定的,若不受外力，我可以再次演示,在空气轨上。

youdao

In addition, strategies of motion track and adaptive search window are applied to reduce the computational complexity of motion estimation.

此外本文还采用运动跟踪和自适应搜索窗技术来减小运动估值的计算复杂性。

youdao

That lets the Meta 1 track your gestures, individual fingers and walls or other physical surfaces, all of which are processed in the PC with motion tracking tech to give the illusion of virtual objects anchored to the real world.

ENGADGET