UNITAR

例句：

1. 1. The United Nations is a global organization that brings together nations to address global issues.
   联合国是一个全球性的组织，旨在解决全球性问题。
2. 2. UNITAR provides technical assistance to developing countries in the field of information technology.
   联合国技术信息和文献管理处为发展中国家提供信息技术领域的技术支持。
3. 3. UNITAR has been working on a project to improve access to education for underprivileged children.
   联合国技术信息和文献管理处正在开展一个项目，以改善贫困儿童接受教育的机会。