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BEIJING, Nov. 8 (Xinhua) -- Chinese President Xi Jinping on Friday called for efforts to fully build the People's Liberation Army (PLA) Air Force into a world-class air force.

Wang called on builders of the railway to note the importance of the railway from the overall and strategic height, uphold the principle of quality and safety first, enhance project management, fulfill social responsibilities and work on to build a model, competitive and clean project, so as to contribute to the China-Laos friendship.

Wang said that the just-concluded fourth plenary session of the 19th Communist Party of China Central Committee has constructed a reliable mechanism for the modernization of China's national governance system and capacity, as well as realization of national rejuvenation, which also provides Chinese wisdom and solutions to the institutional civilization of humanity.

BEIJING, Dec. 4 (Xinhua) -- China warned Wednesday if the United States continues to play with double standards on anti-terrorism or even try to infringe upon other countries' sovereignty and security, it will end up swallowing a bitter fruit with its own interests harmed.

Xi made the remarks when holding talks with Brazilian President Jair Messias Bolsonaro at the Great Hall of the People in Beijing.