| 摘要 |
The device comprises a projector (1), a screen (2) and a collection apparatus of ball (3). The apparatus (3) comprises many of cross bars (9b) and vertical bars (9c) can be penetrated a golf ball through a hole (9a) between the cross bar and vertical bar. A net is installed behind the hole, a sensor (5) is attached on the backside end of the net. The screen is installed between the ball collection apparatus and a hitting position of a ball. An electric displayer (6) is installed on the upper end of supporting bar (7), is connected to the collection apparatus and the sensor, thereby flying distance of a ball is displayed on the electric displayer.
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