| 摘要 |
The invention provides a golf ball comprising a core and a cover of one or more layers, characterized in that the golf ball has an outer diameter of 43.0-45.0 mm and an initial velocity of at least 77.5 m/s measured by the USGA rotary drum intitial velocity instrument approved by R&A. The golf ball minimizes the difference in travel distance with a driver (W# 1 ) between high-head speed golfers and low-head speed golfers.
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