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[PDF][PDF] An assessment measurement study based on the momentum of the tennis ball in question
X Wang, R Xu, J Luo - pdfs.semanticscholar.org
In tennis, it is very important to always be aware of the movement and trend of the match.
Accurately gras** the change of momentum is of great practical significance in predicting …
Accurately gras** the change of momentum is of great practical significance in predicting …