(Image Source: NVIDIA Official Website)

TMTPOST -- Shares of Nvidia tumbled in after-hours trading after the company revealed that tighter U.S. export restrictions on AI chips will result in an additional $5.5 billion in lost sales. The sell-off extended to rival chipmakers and Asian tech stocks.

BEIJING, March 4 (Xinhua) -- China announced on Tuesday that it has decided to add 15 U.S. entities that endanger its national security and interests to its export control list.

Effective from Tuesday onward, the export of dual-use items to these 15 firms, including Leidos, Gibbs&Cox, Inc., and IP Video Market Info, Inc., will be prohibited, while any ongoing related export activities must be stopped immediately, according to the Ministry of Commerce.

BEIJING, April 6 (Xinhua) -- China's export control measures on certain rare earth-related items have demonstrated its firm commitment to maintaining world peace and security, China Nonferrous Metals Industry Association said on Sunday.

技术背景

在Linux系统的Bash等shell环境中，变量的定义和使用是日常操作的基础。变量可以用来存储各种信息，如路径、配置参数等。而

BEIJING, April 4 (Xinhua) -- China's Ministry of Commerce on Friday announced it has decided to ban the export of dual-use items from China to 16 U.S. entities, which have been added to an export control list by the ministry.

Hi everyone. I’m Stephanie LI.

Coming up on today’s program

• China's foreign trade grew 1.3% in the first quarter of 2025;

大家好，很高兴又见面了，我是"高级前端进阶

在 TypeScript 中，export type 和