the relative motion track
the relative motion track
相对运动轨迹
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The Wii U controller contains the same motion tracking hardware as a Nintendo Wiimote, which means the system can track its relative position at all times, and update the controller screen depending on its orientation.
FORBES: Hands On With The Nintendo Wii U