旋转罗盘或星象罗盘能够用来发现真北极，在飘移磁场区域也不受影响，接近于电路或接近于铁元素块。
A gyrocompass or astrocompass can be used to find true north, while being unaffected by stray magnetic fields, nearby electrical power circuits or nearby masses of ferrous metals.
人类带电的案例可以追溯至1786年，其中最著名的是14岁的安琪莉可·柯廷，能让罗盘的指针旋转不止。
Cases of electric people date back to 1786, the most famous of which is that of 14 year old Angelique Cottin, whose presence caused compass needles to gyrate wildly.
打个比方，如果你正在开发一款游戏，包括增强现实的应用，一个2维或者3维德罗盘应用，或者相机防抖的应用等，此时旋转矢量传感器就是最好的选择了。
Forexample, the rotational vector sensor is ideal if you are developing a game, anaugmented reality application, a 2-dimensional or 3-dimensional compass, or acamera stabilization app.
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