capital of China at different historical periods

March 3 news, according to the Nanjing Investment Promotion Bureau, Nanjing Jiangbei New Area enterprises Nanjing Nanzhi Advanced Optoelectronic Integration Technology Research Institute Limited (hereinafter referred to as "Nanzhi Optoelectronics") jointly with the Nanjing Zhiman Technology and other partners to develop the first domestic photonic AI intelligent engine " OptoChat AI", and has completed internal testing, plans to officially launch in March, free and open to the industry to use. OptoChat AI", and has completed internal testing, plans to go online in March, free and open to the industry to use. According to reports, the intelligent engine is based on DeepSeek and other top domestic large language models and semiconductor industry models, combined with more than 300,000 patent documents and industry databases in-depth empowerment ...