As we know,the logical trap is a kind of trap that is set up in the process of judgment or reasoning in order to place the opposite to a disadvantage condition.

Based on reading the original works of demand theory of neo-classical economics,it has significant contributions to economic analysis history and there are inherent logic defects,while settling these arduous theory problems by neo-classical economics demand theory.

The present study examines the logical reasoning deficiencies of because structure in Chinese non-English majors English argumentative writing.

Study on Frequency Dispersion Effects of 4H-SiC MESFET Based on Traps;

Walk Out the Trap of Immiserizing Growth:Based on View of Factor;

The Trap of the Collective Ownership of Land in Countrysides——Analysis Based on the Requisition of Land;

Error Permission in Programme Designing-traps;

On the basis of analyzing a few groups of data,this paper states that our country is getting into the low-level innovation traps.

Getting rid of the natural resource comparative superiority pitfall of the economy development in the west of China;

However, there are many pitfalls in application of the seismic detection technique, which makes a part of exploration wells failed.

False appearance and pitfall in seismic data often cause wrong interpretations in reservoir description.