Disaster is an event which endangers the security of human life, property, projects or the environment and the geological disaster is one of the most enormous natural disaster.

灾害是危及人身、财产、工程或环境安全的事件，地质灾害是自然灾害的大家族。

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An analysis is made on the influence of low temperature environment on the property of natural gas spherical tank used in the frigid region.

分析了寒冷地区的低温环境对天然气压力球罐性能的影响。

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Specific natural and social environment makes the metropolis a distributing centre of people, property and products, which is liable to be a criminal center of illegal activities.

特定的自然、社会环境，使大都市成为人、财、物的集散地，也容易成为违法犯罪活动的高发区。

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Under WMO leadership, National Meteorological and Hydrological Services contribute substantially to the protection of life and property against natural disasters, to safeguarding the environment and to enhancing the economic and social well-being of all sectors of society in areas such as food security, water resources and transport.

UNESCO: Social and Human Sciences