天地源：王涛不再担任公司总裁职务

Group 1 - The company Tian Di Yuan announced a change in senior management, with President Wang Tao stepping down due to age reasons [1] - Chairman Zhao Ji will temporarily assume the responsibilities of the president until a new president is officially appointed [1] - Vice Presidents Liu Yongming and Yang Bin also stepped down from their positions due to age reasons [1] Group 2 - In February, China's AI usage surpassed that of the United States for the first time, with four domestic models ranking among the top five globally [1] - The demand for domestic computing power is experiencing exponential growth [1]