<chr_abbr type="reg" class="dc" expan="Que" cert="no">Q-hbar</chr_abbr> li<chr_abbr type="frq" class="ct" expan="cheualier" cert="no">ch[apost]r</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>u<chr_var letter="s" var="long">∫</chr_var> liuienne<chr_abbr type="reg" class="dc" expan="" cert="no">t-hbar</chr_abbr> 