<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> uint. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> uint. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> t<chr_abbr type="reg" class="dc" expan="" cert="no">ra-hbar</chr_abbr>te. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> t<chr_abbr type="reg" class="dc" expan="" cert="no">ra-hbar</chr_abbr>te 