The structure of the air traffic control areas is tightly related with the organization structure, operation mechanism of ATM system and the coordination between civil aviation and military.

空中交通管制区域的结构与空中交通管理系统的组织结构、运行机制和军民航协调等方面内容密切相关。

youdao

Therefore, the stage difference coordination problem with the operation of DC system has become a key issue.

因此，级差配合问题就成为直流系统运行中一个比较关键的问题。

youdao

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。

youdao

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