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China and Russia have huge complementary advantages and potential for cooperation in the development of science and technology. They will take advantage of the Year of Scientific and Technological Innovation between the two countries, vigorously develop and implement strategic projects, deepen cooperation in the transformation of scientific and technological achievements, promote talent exchanges, and encourage high-tech and Internet companies to start businesses and invest in the other country, providing scientific and technological support for the pragmatic cooperation between the two countries and their respective national economy and people's livelihood, he said.

The ongoing services trade fair, held in Beijing from Sept. 4 to 9, was themed "Global Services, Shared Prosperity."

According to Yan, a total of 5,372 enterprises from home and abroad set up online exhibition booths, including 2,037 three-dimensional booths.

The Mars probe aims to complete orbiting, landing and roving in one mission.

After taking a COVID-19 test at ports of entry, passengers entering the mainland should spend seven days in isolation centers for medical observation and take another test before completing quarantine, according to the guidelines.