M ainten<chr_abbr type="reg" class="dc" expan="ant" cert="no">at-hbar</chr_abbr> iu<chr_var letter="s" var="long">∫</chr_var><chr_abbr type="reg" class="sc" expan="qua" cert="no">q-omeg</chr_abbr>lui<chr_var letter="s" var="long">∫</chr_var> <chr_var letter="s" var="long">∫</chr_var>a<chr_abbr type="reg" class="ml" expan="pro" cert="no">pro2</chr_abbr>che 