LOS ANGELES, Oct. 20 (Xinhua) -- Acting NASA Administrator Sean Duffy announced Monday that the agency will reopen bidding for its lunar lander contract, currently held by SpaceX, due to delays in the ...

Wiley开放科学大使计划（Open Science Ambassador Program, OSAP ...

Under the project, China provided 3.5 million U.S. dollars to help Zambia purchase approximately 5,641 metric tonnes of maize locally. The grain will be distributed over three months to 188,057 ...

2025年中，蓝色起源展示了他们近期在NASA约翰逊航天中心中性浮力实验室（NBL）开展的工作。视频内容是对蓝月亮 Mk2登月着陆系统（HLS）的气闸舱部分进行测试与演示。宇航员在水下模拟“月球重力”，检验设计的人机工效。

杨君拜师李娟这一行为，不仅是播音主持行业内一次颇具意义的传承事件，更折射出专业领域在时代变迁中坚守核心、拥抱变革的深层逻辑。结合两位从业者的专业背景与行业发展规律，其背后的核心意义可从三个维度深入解读： ...

Solana 生态的可扩展性创新：Ephemeral Rollups（临时 Rollups）???????? Ephemeral Rollups 是Magic ...

Across China, even in different ethnic groups, the traditional Chinese two-stringed erhu has long been the most popular instrument in the huqin family of instruments. It's still popular today, even in ...

As China-Fiji relations continue to grow, cooperation in education is deepening steadily.

中华人民共和国国家标准GB/T 41665-2022制造执行系统模块化框架Modular framework of manufacturing execution system2022-10-12 发布 2023-05-01 实施 ...