android指南针罗盘转动是怎么实现的 手机的“电子指南针”是怎样实现的?
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绛旓細閫塨 鍦扮悆涓婁粠鍖楀埌鍗楃殑鏂瑰悜浼氫骇鐢熶竴涓鍦哄彨鍋氬湴纾佸満,鐢变簬鍦扮鍦虹殑浣滅敤,灏忕閽堢殑涓绔案杩滄槸鎸囧悜鍗楁柟鐨.鍥犳灏界浣杞姩缃楃洏,浣嗘槸鐢变簬鍦扮悆鐨勫湴纾佸満鏂瑰悜娌℃湁鍙,鎵浠ュ皬纾侀拡鏄笉浼氶殢鐫缃楃洏杞姩鐨 鏄庣櫧浜嗕箞?