android/\343\202\273\343\203\263\343\202\265\343\203\274\343\201\256\345\272\247\346\250\231\347\263\273.md
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1
+地磁気センサの座標系
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+
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+https://developer.android.com/develop/sensors-and-location/sensors/sensors_overview?hl=ja#sensors-coords
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