1(书籍杂志中)见第…页(或…行)及以下几页(或行) In a book or magazine, when ff. is written it refers to the page or line mentioned and two or more pages or lines after it. (书籍杂志中)见第…页(或…行)及以下几页(或行)
...p. 173 ff.
173 页及以下几页
2 In a piece of music, ff is a written abbreviation for (书面缩略=) fortissimo.