A small differential radius of gyration will have less separation and sometimes produce one thick oil band around the ball, due to the lack of a significant preferred spin axis.
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- 大RG差(HighRGDifferential)的球，會(huì )造成油線(xiàn)與油線(xiàn)間的較大間距，相反的，小RG差(LowRGDifferential)的球，所產(chǎn)生的油線(xiàn)間距也會(huì )較小，甚至有可能只會(huì )產(chǎn)生一條很寬的”油帶”而已。
