<chr_var letter="N" var="2">N2</chr_var> e<chr_var letter="s" var="long">∫</chr_var>t mie droiz <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> tuit <chr_var letter="s" var="long">∫</chr_var><chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr> u<chr_abbr type="reg" class="dc" expan="ine" cert="no">ie-hbar</chr_abbr>gn<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>t 