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Recently, Chinese President Xi Jinping and U.S. President Donald Trump have met each other, had a phone call, and exchanged congratulatory letters on the 40th anniversary of the establishment of diplomatic relations, pointing the way for the two sides to further promote bilateral ties, Wang said.

Each bold idea and its successful implementation in lunar exploration is a full demonstration of the human capacity to gain knowledge of and utilize a celestial body, he said.

The plan puts much attention on the youth and the HKSAR government will build more platforms to boost innovation and entrepreneurship among the youth, he said.

The positioning accuracy of the system has reached 10 meters globally and five meters in the Asia-Pacific region. Its velocity accuracy is 0.2 meters per second, while its timing accuracy stands at 20 nanoseconds.

Based on the "one country, two systems" principle, Hong Kong can help more overseas enterprises go to the mainland and help more mainland enterprises go overseas, he said, adding that this will boost the opening-up of the Greater Bay Area.