Objective:To summarize the operation coordination of dissection of aorta patients accepted ascending aorta and the entire bow replacement combined with distal end support system implantation.

总结主动脉夹层病人行升主动脉及全弓置换和远端支架系统植入术的手术配合措施。

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Including the preparation of raw data, staff training, system operation, coordination among the various departments, as well as the maintenance of the system.

其中包括原始数据的准备，员工的培训，系统运行中各部门间的协调，以及系统的维护。

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Ricardo Alday, a spokesman for the Mexican Embassy in the United States, also said the drone belonged to Mexico and was part of an operation in coordination with the U.S. government.

CNN: Drone crash in El Paso under investigation

Ethiopian Prime Minister Meles Zenawi agreed on the need for closer co-operation on infrastructure projects and said the planning and coordination body of the African Union, Nepad, was already working on this.

BBC: Davos 2012: Africa leaders urge co-operation