【中文版】

政府性投资项目是指为了满足社会公共需求，由政府主导或参与的非经营性项目建设，包括但不限于基础设施、教育、医疗、环保等领域。这些项目一般由政府提供资金来源，或者通过政府与企业合作的方式进行投资，旨在为社会提供公共服务和基础设施，促进经济发展和社会进步。

政府性投资项目的特点包括：一是以满足社会公共需求为目标，追求社会效益和经济效益的双重目标；二是以非经营性项目为主，不以盈利为目的，注重公益性和社会效益；三是由政府主导或参与，提供资金来源或给予政策支持；四是需要进行科学规划和充分论证，确保项目的可行性和可持续性。

政府性投资项目在国家经济发展和社会建设中具有重要作用。通过政府性投资项目的建设，可以满足人民群众的基本需求，提高社会福利水平，促进经济增长和可持续发展。同时，政府性投资项目还可以引导民间投资的方向，带动相关产业的发展，推动经济结构调整和转型升级。

需要注意的是，政府性投资项目需要严格遵守相关法规和规定，确保资金使用的透明度和合法性，防止腐败现象的发生。同时，政府性投资项目需要进行科学规划和充分论证，确保项目的可行性和可持续性，避免浪费和不良资产的出现。

总的来说，政府性投资项目是国家经济发展和社会建设的重要组成部分，通过政府主导或参与的非经营性项目建设，旨在满足社会公共需求，提高人民生活水平和促进经济增长和社会进步。

【英文版】

What are government investment projects? Government investment projects refer to non-profit project constructions mainly aimed at meeting the public needs of society, including infrastructure, education, healthcare, environmental protection and other fields. These projects are generally funded by the government or invested through government-enterprise cooperation to provide public services and infrastructure and promote economic development and social progress.

The characteristics of government investment projects include: firstly, meeting the needs of society and pursuing the dual goals of social and economic benefits; secondly, mainly non-profit projects without the aim of making profits, with emphasis on public welfare and social benefits; thirdly, being led or involved by the government, providing funding sources or policy support; fourthly, requiring scientific planning and full demonstration to ensure the feasibility and sustainability of the project.

Government investment projects play an important role in national economic development and social construction. Through the construction of government investment projects, the basic needs of the people can be met, the level of social welfare can be improved, and economic growth and sustainable development can be promoted. At the same time, government investment projects can guide the direction of private investment, drive the development of related industries, and promote economic restructuring and transformation and upgrading.

It should be noted that government investment projects need to strictly comply with relevant laws and regulations to ensure transparency and legality in the use of funds and prevent corruption. At the same time, government investment projects require scientific planning and full demonstration to ensure the feasibility and sustainability of the project, avoiding waste and bad assets.

Overall, government investment projects are an important part of national economic development and social construction. Through non-profit project constructions led or involved by the government, they aim to meet public needs, improve people's living standards, and promote economic growth and social progress.