Negotiators said today that they have agreed to form a joint operations center.

今天谈判者称，他们同意建立联合行动中心。

Turkey says it has agreed with the U.S. to create a joint operation center to coordinate a planned safe zone in northern Syria.

土耳其称其已与美国达成协议 创建联合指挥中心 在叙利亚北部协调出计划中的安全区。

Bulgaria , Greece and Turkey have agreed to establish a joint center for border police and customs control as a part of the effort to tackle common challenges like illegal immigration.

保加利亚、希腊和土耳其决定成立一个边境警察和海关检查联合中心，来努力解决诸如非法移民等共同面对的问题。