用于唯一识别的study和trt不能唯一识别，一起就是一个study和一个trt不能唯一对应出一条数据，有重复。没看你的数据，举例说明，study为1且trt为A的数据有多个无法识别。 换句话说你的一个study里做相同处理的数据重复了。

Efnan Han is a news anchor at TRT World. She was born and raised in Canada and embarked on her journey to becoming a journalist after deciding to depart from the world of medicine. She joined TRT World in 2015 as a producer and later became an on-screen talent by presenting TRT World’s flagship arts... View Article

Prof. Dr. Mehmet Zahid Sobacı graduated from Uludağ University Faculty of Economics and Administrative Sciences, Department of Public Administration in 2001. He completed his master’s (2005) and doctorate (2009) education at Uludağ University Institute of Social Sciences, Department of Political Science and Public Administration. He became an associate professor in 2013 and a professor in ...

三，北京同仁堂（TRT）总统牌海参西洋参胶囊 1，参参相吸，轻活有力。 可增强免疫力，缓解身体疲劳。 2，富含双参精华，营养更容易被吸收。 疲惫无力、食欲不振者可非常适合。 为健康加分。 3，蓝帽认证，品质好参，品质有保障。

华为trt-tl10是华为畅享7Plus中国移动全网通定制型号。 华为畅享7 Plus 是华为畅享系列首款5.5英寸大屏智能手机，Slogan是“玩到爽·快到爽”，主打功能为大屏金属机身、4000mAh大容量电池、最高4GB+64GB存储组合、1200万大像素拍照、多功能指纹操控、全新EMUI 5.1系统 ...

TRT（Tyder Region Technology）泰达日晶科技有限公司于2009年成立，位于深圳市宝安区。 公司专业研发与生产微型移动式投影仪，拥有专业的研发团队，以创新和人性化设计为主旨，为全球客户提供全面、优质的服务。 扩展资料： TRT（高炉煤气余压透平发电装置）的 ...

About TRT The Turkish Radio and Television Corporation (TRT) is Türkiye’s national public broadcaster, established in 1964 with its first television broadcast in 1968. TRT became a founding member of the European Broadcasting Union (EBU) in 1972 and joined the Asia-Pacific Broadcasting Union (ABU) in 2004.

TRT World Forum is a premier gathering that brings together global leaders in Istanbul, Türkiye. The event is an opportunity for academics, journalists, politicians and members of civil society to grapple with the challenges of our time and contribute to advancing peace, security and prosperity throughout the world. After the success of our first editions, TRT World Forum has managed to set a ...

北京同仁堂TRT和北京同仁堂有什么区别？同样的药材TRT的贵很多，品质等级有差别么？

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