指两个不同国家之间签订的国际文书bilateral agreement

• 访问期间，双方签署了农业领域的双边协定和合作培训计划。

  During the visit, both parties signed a bilateral agreement concerning the agricultural sector and a cooperative training plan.

• 欧盟的这种单边行为违反了国家之间的航空双边协定。

  This kind of unilateral action by the European Union violates bilateral aviation agreements between countries.