L e<chr_var letter="s" var="long">∫</chr_var> e<chr_var letter="s" var="long">∫</chr_var>cuz deu<chr_abbr type="reg" class="dc" expan="an" cert="no">a-hbar</chr_abbr>t lor ui<chr_var letter="s" var="long">∫</chr_var> met<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>t. 