美日韓職棒用球彈性係數 - 棒球
By Jessica
at 2018-11-19T16:27
at 2018-11-19T16:27
Table of Contents
根據韓國體育媒體OSEN新聞報導
採用日職的反發係數測量標準
聯盟用球商 聯盟規定 實測反發係數
韓職一軍Skyline 0.4134~0.4374 0.4176
韓職二軍ILB 同上 0.4172
日本職棒Mizuno 原訂0.4034~0.4234,後改為不超過0.4134
美國職棒Rawlings 實測低於0.4000
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