ActNow is the UN campaign to inspire people to act for the Sustainable Development Goals (SDGs). In the lead up to the Summit of the Future, join the 1 Million Actions for our Common Future...

The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and security, develop friendly relations among nations and countries, achieve international cooperation, and serve as a centre for coordinating the actions of member states. [2] .

ONU has a rich history of academic excellence, and we’re always evolving to meet society’s ever-changing needs. We’ve most recently been recognized for teaching quality, high graduation rates, commitment to volunteer service and, most impressively, providing a …

2019年12月10日 · OLT（Optical Line Terminal，光线路终端）设备是一种重要的，可以与前端（汇聚层）交换机用网线相连，转化成光信号用单根光纤与用户端的分光器互联；实现对用户端设备ONU的控制、管理、测距；并和ONU（光网络单元，Optical Network Unit）设备一样，是光电 …

Currently made up of 193 Member States, the UN and its work are guided by the purposes and principles contained in its founding Charter. The UN has evolved over the years to keep pace with a...

3 天之前 · United Nations (UN), international organization established on October 24, 1945. The United Nations (UN) was the second multipurpose international organization established in the 20th century that was worldwide in scope and membership. Its predecessor, the League of Nations, was created by the Treaty of Versailles in 1919 and disbanded in 1946.

Los principales órganos de la ONU son la Asamblea General, el Consejo de Seguridad, el Consejo Económico y Social, el Consejo de Administración Fiduciaria, la Corte Internacional de Justicia y ...

ONU é a sigla para Organização das Nações Unidas, uma organização intergovernamental que reúne 193 países e dois Estados observadores não-membros. A sede da ONU fica na cidade de Nova York, nos Estados Unidos. Entrou em atividade em 24 de outubro de 1945, mediante a ratificação da Carta das Nações Unidas.

2024年12月20日 · ONU（光网络单元，Optical Network Unit） 是电信领域的重要设备之一，为用户提供高速数据传输和无缝连接体验。 它通过提供高带宽和成本效益，彻底改变了光纤网络的接入方式。

Os Objetivos de Desenvolvimento Sustentável são um apelo global à ação para acabar com a pobreza, proteger o meio ambiente e o clima e garantir que as pessoas, em todos os lugares, possam...