| 摘要 |
An ultra light, low cost and easy-changed-contour-surface golf swing platform is invented. The platform is easy to operate and capable of providing plurality of lie conditions such as uphill, downhill, sidehill up and sidehill down lies which usually are provided only by complicated inclination and rotation mechanisms in other inventions of similar purpose. The ultra-light and low cost golf swing platform needs no power to operate so that it is also portable to anywhere. It is easily affordable for driving range stations and individual golfers.
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