By means of describing on ethnic barriers,close marriage sphere and religious sphere,it demonstrates the systems of communication among ethnic groups,which is detrimental to the socialeconomic development in Guangxi during the period between Qing Dynasty and the Republic China.

On the Barriers of Requiste Capital in Pharmaceutical Industry Market;

The System of Technical Barriers to Trade and China s Foreign Trade Development;

International logistics is promoted by economy global and supply chain management, but it is confronted with the marketing entrance restrict、 finance barriers and delivery channel.

The Impact of the Green Trade Barrier on Our Country s Foreign Trade and the Countermeasures;

A Research on the Economic Effects of Barriers to the International Trade in Services;

The plastics industry should take the strategic ponder to the European Union green barrier and substitution technology;

Develop Ecological Garment to Overcome the Green Barrier;

Wool textile industry faced GREEN BARRIER and our countermeasures;

Hydrogen and its isotopes permeation barriers were reviewed in this paper.