已经过协议的

例句：

1. 1. The two companies have reached an agreement to collaborate on a new project.
   两家公司已达成协议共同开发一个新项目。
2. 2.The agreement stipulates that both parties must fulfill their obligations within the specified time frame.
   协议规定双方必须在规定的时限内履行其义务。
3. 3. The signing of the agreement marks the beginning of the partnership.
   协议的签署标志着合作关系的开始。