BMW has agreed to pay $820m in China dealer rebates for 2014, a person involved in the negotiations said on Monday, as the German automaker tries to stave off a...

近百年来，人类找到了冰的18种三维结构，其中最少见的就是六角形的冰相，例如绽放的雪花、解暑的冰块、南极的厚冰层。...

Digital messaging used to be so simple. Once the modems screeches, clucks and beeps ended and I was connected to AOLs servers, all my friends would be right the...

昨日，上海正在编成人工智能产业发展路线图，著手竣工人工智能的上海方案。...

11月19日，中国国际商业航天高峰论坛在湖北武汉举办。...