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<h2>排版</h2>
<p>The <abbr title="世界卫生组织：World Health Organization">WHO</abbr> 成立于 1948. (普通的 abbr)</p>
<p>The <abbr title="世界卫生组织：World Health Organization" class="initialism">WHO</abbr> 成立于 1948。(略小 abbr)</p>
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