<chr_abbr type="reg" class="dc" expan="Que" cert="no">Q-hbar</chr_abbr> ce <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> il <chr_abbr type="frq" class="ss" expan="est" cert="no">est</chr_abbr> uenu<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>rre 