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WASHINGTON, Oct. 1 (Xinhua) -- China is committed to the sound and stable growth of China-U.S. ties, though the bilateral relationship is experiencing severe difficulties, Chinese Ambassador to the United States Cui Tiankai said on Thursday.

The chief executive said the future of Macao has always been closely linked with the mainland. With the support of the central government and the people of the motherland, and the concerted efforts of Macao residents, the SAR government is confident to face all kinds of challenges, and break new ground for the practice of "one country, two systems" with Macao characteristics.

Xi pointed out that quantum science and technology has developed by leaps and bounds in recent years and become the frontier field in a new round of sci-tech and industrial revolutions.

BRUSSELS, Oct. 4 (Xinhua) -- In the first seven months of 2020, China surpassed the United States to become the biggest trading partner of the European Union (EU), said Eurostat, the EU's statistics organization.

Because of the use of liquid cooling technology, the server is energy efficient compared with traditional ones, said Ren Jingyang, senior vice president of Sugon.