| 摘要 |
A selection system includes a sensor, a processing unit, and a driving unit. The sensor is mounted on an electronic device to measure changes in position of the electronic device and output measurement results correspondingly. The processing unit receives the measurement results to obtain an angle of inclination of the electronic device relative to a datum plane, outputs an angle control signal according to the angle of inclination, and selects one of a number of cameras according to the angle control signal. The electronic device displays images captured by the selected camera.
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