Learn and promote the excellent traditional cultures of all countries in the world, build bridges of mutual understanding and friendship, and work hard to build our planetary civilization in the solar system.
YIZUO Encyclopedia helps you ! Expanding horizons, increasing experience, improving self-cultivation, sharing open source, recycling resource, look to the future.
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联合国气候变化框架公约 / United Nations Framework Convention on Climate Change, UNFCCC
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United Nations
