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That night in Shenzhen, 2,000 drones lit up the sky in a breathtaking tribute to the 80th anniversary of the WWII victory! 🌟 They painted the darkness with soaring doves of peace🕊️, blooming ...
牛津版《技术史》(A History of Technology)是一部综合技术史巨著,综合了人文、历史、及理、工、医等全学科的技术通史。全书共194章,每一章节基本上就是一个学科。每章均由该领域的专家撰稿,共近200位专家参与了原著撰写,100多位中国专家学者参与了中 ...