Compressed Chinese fonts are stored hierarchically and the characters in current use are selected from the disc and transmitted to the local memory of character generator, therefore no access to font disc is required during the output of a whole book.

• 汉字字模压缩信息分级存储,每次照排时只把当前使用的字模从盘上挑出,送往汉字生成器的局部存储器,所以输出一本书的整个过程中不需要访问字模磁盘。