2025-10-31 11:42 浏览次数 12
双倍间距
1. a space in printing that is 1/? of an em in thickness
2. a space in printing that is 1/? of an em in thickness
3. a space in printing that is 1/? of an em in thickness
Middle space(Mid space) A space equal to one-quarter of an em space of the size of type.
四开空铅排字用空铅,阔度为该字大小的『正方』的四分一。