包括办公室机器和数据处理设备的首选行间距和字符间距。旨在通过向机器制造商和表格设计师提供有关首选间距的指导，为表格和用于完成表格的机器之间提供行距和字符间距方面的兼容性。

Includes preferred line spacings and character spacings for office machines and data processing equipment. Is intended to provide compatibility between forms and the machines used for their completion regarding line spacings and character spacings by giving guidance to machine manufacturers and forms designers on the preferred spacings to be used.