<chr_abbr type="reg" class="dc" expan="Qui" cert="no">Q-vbar</chr_abbr> l <chr_var letter="s" var="long">∫</chr_var>en uont am<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr>t <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> aual. 