Information has uncertainty (P F Fisher commonly, 2002), this is a fact that has been approved extensive by scientific and technical worker. According to the statistics: Human being exercises the information being put into use , has 75% ~ 80% become the hot topic of conversation that scientific and technical worker discusses already above 80% with location investigation and discussion in connection with whose uncertainty. The map is that space distribution and other special subject expressing a geo...
| 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
