Astellech (Beijing) Technology Co., Ltd.

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Residential property

Residential property

Residence usually refers to the room dedicated to living, including,, staff and family dormitory and, staff and single dormitory and student dormitory. But from the point of view of access control classification can be directly divided into public residential and private villas. Public housing, such as various types of residential, apartment, etc. Residents usually have all walks of life in society, with complex and large mobility. Management is not easy, not only to meet the community security management, but also to meet the convenience of residents. Private villas, the flow of personnel is small, and the security level is high, access management is mainly reflected in the convenience of service owners.

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military industry

military industry

Military industry enterprises refer to the Ministry of Electronics Industry, Aviation Industry Corporation, Aerospace Industry Corporation, Ordnance Industry Corporation, Nuclear Industry Corporation, Shipbuilding Industry Corporation, China Academy of Engineering Physics and provincial defense industry offices that undertake military equipment issued by the state, Product development, production planning tasks of enterprises and institutions. Military industrial enterprises refer to enterprises that undertake national defense scientific research and production tasks, engage in the development, production and operation of various weapons and equipment for the national armed forces, and have independent legal personality. The arms industry is a pillar of national security, and each country has its own unique development path.

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Expressway

Expressway

The highway is a high-grade highway. The "Highway Engineering Technical Standards" of the Ministry of Communications of China stipulates that expressways refer to "highways that can adapt to an average annual day and night passenger car traffic of more than 25000 vehicles, are dedicated to separate high-speed vehicles, and fully control access". Although countries have different names for highways, they all refer to highways with more than 4 lanes, two-way separation, complete control of entrances and exits, and all three-dimensional intersections. In addition, there are many countries on the partial control of the entrance, not all the use of three-dimensional cross-the direct trunk line is also known as the highway. International Road

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Airport

Airport

The airport, also known as the airport, airport, the more formal name is the airport, for the aircraft take-off and landing activities of the field. Airports have different sizes. In addition to runways, airports usually have facilities such as towers, aprons, air passenger terminals, maintenance plants, etc., and provide airport control services, air traffic control and other services. Airports are owned and operated: Most of the world's airports are owned by federal, regional or local governments, with private authorities overseeing the entire operation. For example, the UK's BAAplc is managing seven commercial airports in the UK and one.

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