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Table tennis rubber and table tennis rackets
Table tennis rubber and table tennis rackets
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机译:乒乓球胶皮和乒乓球拍
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摘要
A table tennis rubber contains an elastic layer. A loss coefficient tanδder the elastic layer at a frequency of 700 Hz is equal to or less than 0.02, and a change ratio of the loss coefficient of the elastic layer in a range of a frequency of 500 Hz to a frequency of 900 Hz is equal to or less than 1.10.
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