The diversity of information is discussed on the base of the concept of information. The symbol information is analysed in the level of basic theory, and some easy confused concept is cleared. Some problems with the putting information into the digital form are discussed.
Lu JIANG. , {{custom_author.name_en}}.
Information and Symbol Information. Systems Engineering - Theory & Practice, 2005, 25(5): 135-138 https://doi.org/10.12011/1000-6788(2005)5-135