T ot <chr_abbr type="reg" class="sc" expan="qua" cert="no">q-alpha</chr_abbr>n <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> uo<chr_var letter="s" var="long">∫</chr_var> an <chr_var letter="s" var="long">∫</chr_var>iet <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> ple<chr_var letter="s" var="long">∫</chr_var>t 