<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> di<chr_var letter="s" var="long">∫</chr_var>t <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> <chr_abbr type="reg" class="dc" expan="pri" cert="no">p-vbar</chr_abbr>ue<chr_var letter="s" var="long">∫</chr_var> mal acate 