In charge of planning, urban construction, land and housing management, environmental protection (energy reduction), people's air defense, Transportation, posts and Telecommunications.
分管规划、城建、国土与房管、环境保护(节能减排)、人民防空、交通邮电工作。
As a power plant of future space transportation system, air breathing combined engine needs a special hydrogen supply and management system.
作为未来航天运输系统的动力装置，吸气式组合发动机需要一个特殊的氢供应及管理系统。
American air transportation is the pioneer of the world air transportation and its management mode has been followed by other airlines in the world.
美国的航空公司历来是世界航空业的先驱，她的运作模式亦为全球的航空公司所效仿。
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