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China has used manned aircraft to perform aerial prospecting for other nations such as Cambodia, Indonesia and Laos, and has deployed unmanned planes to survey mineral resources on its own territory. However, this is the first time a Chinese drone has conducted such an operation overseas and is also the first time an African nation has adopted unmanned aircraft to explore mines, the academy said.

China is taking its first steps towards paying for imported crude oil in yuan instead of the US dollar, three people with knowledge of the matter told Reuters, a key development in Beijing’s efforts to establish its currency internationally.

China is stepping up research and development of the Tianhe-3 supercomputer, which aims to be 10 times faster than the current world leader, as it strives to meet the country's growing needs for more accurate and efficient computing capabilities.

China is continuously deepening reform, and the country's door will open wider and wider, which will provide more opportunities for all countries, including Japan, Xi said, adding that the Belt and Road Initiative has provided a new platform for China and Japan to deepen cooperation.

China has typically initiated cabinet structural reforms every five years since the early 1980s. Seven such reforms have slashed a number of ministries and agencies to make the central government leaner and more effective.