The Clay Mathematics Institute in Cambridge, MA, has named "P versus NP" as one of its "Millennium" problems, and offers $1 million to anyone who provides a verified proof.
麻省的剑桥克莱数学研究院（Clay Mathematics Institute）将“P 与 NP”列为其“千年（Millennium）”问题之一，并为任何作出有效证明的人提供 1 百万美元的奖金。
The Millennium Ecosystem Assessment (MA) is a research program that focuses on ecosystem changes over the course of decades, and projecting those changes into the future.
千年生态系统评估是一项针对长期生态系统变化并预测其未来改变的研究项目。
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