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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">31</journal-id>
      <journal-title-group>
        <journal-title>《国际教育学》</journal-title>
      </journal-title-group>
      <issn>ISSN 3104-4913（Print）</issn>
      <publisher>
        <publisher-name>华文科学出版社（HUAWEN SCIENCE PRESS）</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.12421/gjjyx202509-137</article-id>
      <article-id pub-id-type="publisher-id">23779</article-id>
      <title-group>
        <article-title>基于微元法的体积的计算</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>张宏礼 洪莉茜</string-name>
        </contrib>
      </contrib-group>
      <pub-date pub-type="epub">
        <year>2025</year>
        <month>9</month>
      </pub-date>
      <issue>9</issue>
      <abstract>
        <p>首先阐述了在定积分、二重积分、三重积分等情形下，应用微元法精确计算所求量的一般过程；然后讨论
基于微元法用定积分、二重积分、三重积分、高斯公式等求立体体积的方法；最后由球体积和球面积公式分析了微分
和积分的内在统一关系。</p>
      </abstract>
    </article-meta>
  </front>
</article>
