Specific to the contemporary visual communication,this paper put forward the"Lens-Mode"of city communication in optoelectronic media,and then probes into the question that how the presence of a city to people turn from here and now then to teletopia.

Combining the researching achievements of the domestic and foreign, this paper try to improve the auditing judgment of the CPA by using the lens model, help them make correct decision, thus decrease the audit risk and avoid the failure of audit.

With progressive deformation,the tectonic lens type ore-forming system,including the weak-deformation domain of sandy tectonic lens and the linear strong-deformation zone of tectonic slate,is formed by the tectonic deformation.