我国入世后 ,关税壁垒已逐渐减少 ,但非关税壁垒尤其是技术壁垒却长期存在 ,而且更加苛刻。当前我们应着力研究技术壁垒的特点 ,积极寻求对策。从历史上看 ,发达国家利用技术壁垒限制进口案例屡见不鲜。我国及发展中国家因此造成的损失不计其数。1990年美国禁止进口墨西哥的金 After China’s accession to the WTO, tariff barriers have been gradually reduced, but non-tariff barriers, especially technical barriers, have existed for a long time and are more demanding. At present, we should focus on the characteristics of technical barriers and actively seek solutions. Historically, it is not uncommon for developed countries to use technical barriers to restrict imports. Losses caused by our country and developing countries are countless. In 1990, the United States banned the import of Mexican gold