<chr_abbr type="reg" class="dc" expan="Qui" cert="no">Q-vbar</chr_abbr> plu<chr_var letter="s" var="long">∫</chr_var> e<chr_var letter="s" var="long">∫</chr_var>toit trench<chr_abbr type="reg" class="dc" expan="an" cert="no">a-hbar</chr_abbr>z <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> fau<chr_var letter="s" var="long">∫</chr_var> 