许可证是指在国际技术贸易中,技术输出方和技术引进方之间签订的协议或合同。双方签订了协议或合同,引进方就意味着得到了使用某项技术许可的书面证明。国际间的技术贸易通常都是通过双方签订协议或合 Licensing refers to agreements or contracts between technology exporters and technology importers in international technology trade. The parties have signed an agreement or contract, and the importer means that they have obtained written proof of the use of a certain technology license. International technology trade is usually signed by both parties