THE RESEARCH ON PROPAGATING INFORMATION OF MAP SYMBOLS
Liu Zeng-lin · Surveying and Mapping of Sichuan · 2007
The paper expounds the process of propagating information by adopting the principles of mass communication.Map embraces a series of signals which undertake the propagation of information.This information propagating depends on many factors,such as propagandist,information receiver,propagating channels and propagating circumstance.And each of them is the important factor influencing the effect of propagating.