Economic zone is the effective functioning space unit of regional economic, research spatial object and application premise of classic regional economics.
经济区是区域经济有效运行的空间单元，是经典区域经济学研究的空间对象与应用前提。
The 51-year-old Muilenburg hails from Boeing's defense and space unit, and his selection signals something of a culture change for the company's executive leadership.
今年51岁的麦伦堡来自波音防空与航天部门，选择他出任CEO，预示着公司高层的领导风格可能会有所改变。
The 51-year-old Muilenburg hails from Boeing's defense and space unit, and his selection signals something of a culture change for the company's executive leadership.
今年51岁的麦伦堡来自波音防空与航天部门，选择他出任CEO，预示着公司高层的领导风格可能会有所改变。
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