| 1. | In october 1993 , china , myanmar , thailand , laos and the undcp signed the memorandum of understanding on narcotic drugs control , which stressed keeping contacts between high officials to further the cooperation in drug control in the sub - region
1993年10月，中国、缅甸、泰国、老挝和联合国禁毒署签署《禁毒谅解备忘录》 ，确定在次区域禁毒合作中保持高级别接触。 |
