science and technology 科技

CNN Business 8月30日下午2:01  ·  Michelin and GM have partnered up to create a prototype for a new puncture-proof tire that ...

宣傳與實際：今日中國科技 vs 日本通產省1980年代：似曾相識： China has quickly moved up the value chain, creating world-class industries in everything from 5G and arti...