<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> ma<chr_abbr type="reg" class="dc" expan="in" cert="no">i-hbar</chr_abbr>tenant lor ma<chr_abbr type="reg" class="dc" expan="in" cert="no">i-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> releu<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> 