T ant <chr_var letter="s" var="long">∫</chr_var>e<chr_var letter="s" var="long">∫</chr_var>toit ple<chr_abbr type="reg" class="dc" expan="in" cert="no">i-hbar</chr_abbr>te. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> de<chr_abbr type="reg" class="dc" expan="" cert="no">m-hbar</chr_abbr>tee. 