美军航母群剑指朝鲜 普京：你这是赤裸裸的侵略！

百度 由此，作为工人阶级先锋队的共产党，在实践中必须全心全意为人民服务，贯彻群众路线，即一切为了群众，一切依靠群众，从群众中来，到群众中去，把党的主张变为群众的自觉行动。

Attendees watch an astronomical science popularization video during the first edition of Citizen Science Summit in Astronomy in Dalian, northeast China's Liaoning Province, July 31, 2025. The event was held here on Thursday, aiming to promote the popularization and public participation of astronomy. (Xinhua/Pan Yulong)

This photo taken on July 31, 2025 shows the opening ceremony of the first edition of Citizen Science Summit in Astronomy in Dalian, northeast China's Liaoning Province. The event was held here on Thursday, aiming to promote the popularization and public participation of astronomy. (Xinhua/Pan Yulong)

This photo taken on July 31, 2025 shows an astronomical photographic equipment during the first edition of Citizen Science Summit in Astronomy in Dalian, northeast China's Liaoning Province. The event was held here on Thursday, aiming to promote the popularization and public participation of astronomy. (Xinhua/Pan Yulong)

Attendees listen to a report during the first edition of Citizen Science Summit in Astronomy in Dalian, northeast China's Liaoning Province, July 31, 2025. The event was held here on Thursday, aiming to promote the popularization and public participation of astronomy. (Xinhua/Pan Yulong)

A staff member presents photos taken with astronomical cameras during the first edition of Citizen Science Summit in Astronomy in Dalian, northeast China's Liaoning Province, July 31, 2025. The event was held here on Thursday, aiming to promote the popularization and public participation of astronomy. (Xinhua/Pan Yulong)