<chr_abbr type="reg" class="sc" expan="Tra" cert="no">T-alpha</chr_abbr> ient auant <chr_var letter="s" var="long">∫</chr_var>i <chr_var letter="s" var="long">∫</chr_var><chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>etreuir<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> 