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"Educational robots can play the role of a teacher who cultivates students' operational ability by inspiring them to think and operate independently."

"Due to high barriers to entry, Brazil's smartphone market is very consolidated," Parv Sharma, research analyst from market consultancy Counterpoint, said earlier in a report.

"Didi will involve ofo into its own algorithmic model via artificial intelligence techniques and provide real-time travel options to users," said Neil Wang, China president at consultancy Frost & Sullivan.

"Developing value-added fertilizers is an important way to promote green production in China's agriculture sector, as they can boost crops' production with less fertilizer use compared with traditional fertilizers, and are more environmentally friendly," Wang Daolong, chairman of the Value-added Fertilizer Union Association, said recently.

"Developing technologies to facilitate upgrades is not difficult, but the cost for each round of research will increase," he said.