<chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> nule n<chr_abbr type="reg" class="dc" expan="an" cert="no">a-hbar</chr_abbr> pri<chr_var letter="s" var="long">∫</chr_var>t mari 