[Retracted] Wireless Sensor Network Technology-Based Design and Realization of Intelligent Tennis Sports System

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Investigate subject</td><td class="align_center">Frequency</td><td class="align_center">Percentage (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Colleges with tennis courts</td><td class="align_center">21</td><td class="align_center">42%</td></tr><tr><td class="align_left">Colleges that offer tennis courses</td><td class="align_center">15</td><td class="align_center">30%</td></tr><tr><td class="align_left">Colleges that have hosted tennis tournaments</td><td class="align_center">10</td><td class="align_center">20%</td></tr><tr><td class="align_left">Colleges with varsity tennis teams</td><td class="align_center">4</td><td class="align_center">8%</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic situation of tennis development in 50 colleges and universities.</div>

Wireless Communications and Mobile Computing

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Table 1

Table 1: [Retracted] Wireless Sensor Network Technology-Based Design and Realization of Intelligent Tennis Sports System 