近日，北京大学团队造出世界首例低功耗二维环栅晶体管（2D GAAFET，gate-all-around field-effect transistor），并研制出一系列二维环栅逻辑器件，这一材料体系也是由中国科学家自主研发的材料体系之一。

TOKYO, March 14 (Xinhua) -- The number of foreign nationals residing in Japan reached more than 3.7 million as of the end of 2024, marking a record high for the third consecutive year, government data ...

Since 2002, governments around the world have spent billions of dollars stockpiling neuraminidase inhibitors (NIs) such as Tamiflu® (oseltamivir) and Relenza® (zanamivir) in anticipation of an influen ...