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BALL FOR BALL GAME METHOD FOR MANUFACTURING BALL FOR BALL GAME AND METHOD FOR MANUFACTURING GOLF BALL
BALL FOR BALL GAME METHOD FOR MANUFACTURING BALL FOR BALL GAME AND METHOD FOR MANUFACTURING GOLF BALL
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机译：球用球的制造方法球用球的制造方法及高尔夫球的制造方法
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摘要
[PROBLEMS] To provide a balls for ball games and a method of manufacturing ball balls that are advantageous for precisely and precisely measuring the launch conditions and ballistics measurement. A golf ball (2) includes a ball (20), a first region (22), and a second region (24). The spherical body 20 has a core layer and a cover layer made of a synthetic resin covering the core layer, and a plurality of dimples 26 are formed on the surface of the cover layer. A plurality of first regions 22 are formed on the surface of the sphere 20 and have conductivity. That is, the first region 22 is formed on a spherical surface with the center of the sphere 20 as a center. The first region 22 is located at six vertexes of a cube which is assumed to have apexes on the surface of the sphere 20, and six first regions are formed. The second region 24 is formed in a portion of the remaining surface except for the first region 22 and has no conductivity. In other words, the first region 22 is a region having a high radio wave reflectance and the second region 24 is a region having a lower radio wave reflectance than the first region 22.
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