M l<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>t l<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>norent <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>ioi<chr_var letter="s" var="long">∫</chr_var><chr_var letter="s" var="long">∫</chr_var>ent. 