adj.有三边的；对三者有关系的
n.三角形
The trilateral cooperation between the Japanese, American, and European Patent offices is going to overcome the duplication examinations by different national and regional offices. 在欧洲专利局与日本及美国的三边合作中，它们将要克服在专利申请核查中由于来自不同国家，不同区域的专利事物所造成的所有困难。
