extended character set

基本解釋

The extended character set is a superset of the basic character set (2.2).
擴(kuò)展字符集是基本字符集（2.2）的超集。
Another 128 marks and symbols are reserved for use by the computer maker, although the IBM extended character set has become something of a standard.
另外128個(gè)標(biāo)記符號保留給計(jì)算機(jī)制造商，雖然IBM擴(kuò)展字符集合已成為某種事實(shí)上的標(biāo)準(zhǔn)。
xcf-007.blog.163.com
If you want to generate a report that has specific symbols or extended symbolic characters (such as the Chinese character set), then you will need to embed the font in the PDF document.
如果你想產(chǎn)生一個(gè)有特殊符號或者擴(kuò)展符號字符（例如中文字符集）的報(bào)告，那么你將需要在PDF文件中嵌入這種字體。