<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> <chr_abbr type="reg" class="sc" expan="qua" cert="no">q-alpha</chr_abbr>t ce uint a<chr_abbr type="reg" class="dc" expan="" cert="no">p-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> mang<chr_abbr type="reg" class="dc" expan="ier" cert="no">[apost]</chr_abbr> 