代文林，中国人民大学统计与大数据研究院预聘副教授，国家治理大数据和人工智能创新平台副主任。主要研究方向为非参数统计、复杂数据分析与应用统计。以主要作者身份在Journal of the American Statistical Association ...

When I learned that we were going to conduct street interviews, a sense of anxiety arose in my heart this was a completely ...

大家好，我是茉莉妈妈。我家女儿茉莉，一年级KET优秀、二年级PET优秀，三年级暑假通过了FCE考试（超过国内高考英语水平），一路总有人咨询我关于“背单词”的问题，比如：孩子不爱阅读，很多单词都不认识/不会读，是不是应该先“背单词”？孩子应该什么时候开 ...

盖茨回应道：“无疑是数以百万计。总统防治艾滋病紧急救援计划通过提供抗艾滋病药物挽救了超过2000万人的生命。该计划由布什总统发起，并在两党合作的基础上持续运行，直至埃隆认为它不再是一个高效组织的那一天。” ...

Straw remnants have been ingeniously repurposed into green materials used in the production of furniture. At the foot of ...

Horst Löchel, professor of economics and co-chairman of the Sino-German Center at the Frankfurt School of Finance and Management shared his insights during the interview that China and Europe will ...

TMTPOST -- MagicBot, a Chinese company specializing in embodied intelligent robots, has successfully developed its first-generation self-researched dexterous hand, the MagicHand S01. The product ...

阶跃星辰与清华大学近期的一项研究发现，只需使用带 GAE （λ= 1，γ= 1）的普通 PPO 以及基于规则的简单奖励函数，无需任何 KL 正则化，就足以扩展在推理任务上的响应长度和基准性能，类似于在 DeepSeek-R1-Zero 上观察到的现象 ...

BEIJING/URUMQI, Feb. 20 (Xinhua) -- China National Petroleum Corporation (CNPC) announced Thursday that it has completed the ...

Tom, a policeman in 1950s Britain, falls in love with a schoolteacher on the Brighton coast. However, he soon begins a ...

LONDON, Feb. 20 (Xinhua) -- China has become the world's second most influential soft power nation after the United States, according to the sixth annual Global Soft Power Index released here by Brand ...