These fonts are used to display math formula, you can copy them from somewhere such as a Windows machine and install them to you Linux. One of WPS user have packed these fonts into .deb/.rpm package, download it here:
http://bbs.wps.cn/forum.php?mod=viewthr ... 6181393414 (download from the box.com link)
when I install it on my Ubuntu 12.04, Ubuntu software center has issued a warning, just ignore it.
this package installed the following files on my laptop: