Zhang Xu
... that Zhang Xu played a major role in developing fiber-optic communication in China?
... that <b id="mwCUc"><a href="./Zhang_Xu_(engineer)" id="mwCUg" rel="mw:WikiLink" title="Zhang Xu (engineer)">Zhang Xu</a></b> played a major role in developing <a href="./Fiber-optic_communication" id="mwCUk" rel="mw:WikiLink" title="Fiber-optic communication">fiber-optic communication</a> in China?