多年以来,我国是传统的农产品出口大国,农产品出口是外汇收入一个重要来源。然而,自2002年初开始,一系列农副产品遭遇国外绿色壁垒而出口受阻。浙江省舟山的冻虾仁曾顺利行销欧洲市场。欧洲数家贸易公司在2002年初,以在舟山虾仁中检查出极微量的氯霉素为由,要求退货并索赔。事后查明,加工虾仁的工人中有 For many years, China has been a major exporter of traditional agricultural products. Exports of agricultural products are an important source of foreign exchange earnings. However, since the beginning of 2002, a series of agricultural and sideline products encountered foreign green barriers and exports were blocked. Frozen shrimps from Zhoushan, Zhejiang Province, have successfully marketed in the European market. Several European trading companies in the beginning of 2002 demanded a return and claim on the grounds of checking the trace amount of chloramphenicol in shrimp in Zhoushan. Afterwards, it was found that among the workers who processed shrimp,