<<< omml
<?xml version="1.0" encoding="UTF-8"?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:acc>
      <m:accPr>
        <m:chr m:val="̃" />
      </m:accPr>
      <m:e>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ϕ</m:t>
        </m:r>
      </m:e>
    </m:acc>
    <m:rad>
      <m:radPr>
        <m:degHide m:val="on" />
      </m:radPr>
      <m:deg />
      <m:e>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ϕ</m:t>
        </m:r>
      </m:e>
    </m:rad>
    <m:f>
      <m:fPr>
        <m:type m:val="bar" />
      </m:fPr>
      <m:num>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ϕ</m:t>
        </m:r>
      </m:num>
      <m:den>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ξ</m:t>
        </m:r>
      </m:den>
    </m:f>
    <m:f>
      <m:fPr>
        <m:type m:val="bar" />
      </m:fPr>
      <m:num>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ϕ</m:t>
        </m:r>
      </m:num>
      <m:den>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ξ</m:t>
        </m:r>
      </m:den>
    </m:f>
    <m:f>
      <m:fPr>
        <m:type m:val="bar" />
      </m:fPr>
      <m:num>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ϕ</m:t>
        </m:r>
      </m:num>
      <m:den>
        <m:r>
          <m:rPr>
            <m:sty m:val="p" />
          </m:rPr>
          <m:t>ξ</m:t>
        </m:r>
      </m:den>
    </m:f>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>(</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>ϕ</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>)</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>(</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>ϕ</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>)</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>ξ</m:t>
    </m:r>
  </m:oMath>
</m:oMathPara>

>>> native
[ EOver False (EIdentifier "\981") (ESymbol Accent "\771")
, ESqrt (EIdentifier "\981")
, EFraction NormalFrac (EIdentifier "\981") (EIdentifier "\958")
, EFraction NormalFrac (EIdentifier "\981") (EIdentifier "\958")
, EFraction NormalFrac (EIdentifier "\981") (EIdentifier "\958")
, ESymbol Open "("
, EIdentifier "\981"
, ESymbol Close ")"
, ESymbol Open "("
, EIdentifier "\981"
, ESymbol Close ")"
, EIdentifier "\958"
]