[Retracted] Optimization and Evaluation of Oral English CAF Based on Artificial Intelligence and Corpus

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Vocabulary</td><td class="align_center">Quantity</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">The first category</td><td class="align_center">19,926</td></tr><tr><td class="align_left">Category II</td><td class="align_center">1543</td></tr><tr><td class="align_left">Academic category</td><td class="align_center">1186</td></tr><tr><td class="align_left">Low frequency use</td><td class="align_center">1603</td></tr><tr><td class="align_left">All</td><td class="align_center">24258</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Distribution of high-frequency words in HVC.</div>

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Table 2

Table 2: [Retracted] Optimization and Evaluation of Oral English CAF Based on Artificial Intelligence and Corpus 