In this paper,the migration model based on the theoretical hypotheses,with the help of the computer simulation,have designed the simulation system of radon and its daughters.

• 在氡及其子体运移假说的基础上,将计算机模拟技术引入氡运移的研究中,开发出一套在理想条件下氡及其子体运移的模拟系统。