| 摘要 |
<p>The present invention relates on a method of changing flight path characteristics associated with a golf ball including a piezoelectric material layer, comprising: providing a golf ball with a piezoelectric material layer; applying a first electric current to the piezoelectric material layer prior to the golf ball being hit by a golf club; applying a second electric current to the piezoelectric material layer for a predetermined period of time after the golf ball is hit by the golf club; and removing the second electric current after the expiration of the predetermined period of time.
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