411 REFERENCE · Wikibooks
Pinyin/Process
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
See also
Pinyin#Pinyin tone marking
A process is a series of things that happen and have a particular result.
gouhcherng shih yixihlieh yoou tehdihng jierguoo d shihqirng.