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Navigation for aircrafts is more demanding than other transport vehicles in terms of data precision and timeliness.

Nevertheless, with its high-speed expansion, the online education sector faces various challenges. For example, the valuations of some enterprises are too high, and the profitability of those enterprises still needs to be tested. Besides, it is also a difficult problem to guarantee the quality of online education.

Nearly 5,000 foreign participants from more than 150 countries and over 90 international organizations have confirmed their attendance at the forum. That is a big increase from the 1,600 guests who attended the first forum in 2017.

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National high-tech industrial development zones, focused on replacing old growth drivers with new ones and optimizing industrial structures, have become important incubators for new economies.

National security is pertinent to the interest of the 1.4 billion Chinese people, and it may involve complicated international issues that the special administrative region might not be able to handle, Lam said. Thus, the central government retains jurisdiction in certain circumstances, she said.

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Negotiations on a Regional Comprehensive Economic Partnership must be completed at an early date to facilitate further trade, he said.

New advances in the past decade will help improve microscopy technology, which is "kind of a forgotten technology in basic biology and drug discovery," said Betzig.

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New York State leaders jab US federal COVID-19 vaccination plan - World - Chinadaily.com.cn

Net income and detailed earnings of each business would be announced later this month after an external auditing and the approval from the board of directors.