乌拉圭回合多边贸易谈判的主要成果之一是，世界贸易组织的成员进一步削减厂关税水平，大幅度扩大户关税的约束范围。一、发达国家减税情况在乌拉圭回合谈判中，发达国家对全球贸易的关税减让达40％，即贸易加权平均税率从6．3％减为3．8％。对于发展中国家的减让，关税加权平? One of the major achievements of the Uruguay Round of multilateral trade negotiations was that members of the World Trade Organization further reduced the tariff level of factories and greatly expanded the scope of restrictions on household tariffs. First, the tax cuts of the developed countries In the Uruguay Round negotiations, the tariff reductions of developed countries on global trade reached 40%, that is, the trade-weighted average tax rate was reduced from 6.3% to 3.8%. For the concessions of developing countries, the tariff is weighted?