China science, technology news summary -- Aug. 6

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BEIJING, Aug. 6 (Xinhua) -- The following is a summary of published science and technology news of China.


China plans to launch two more meteorological satellites in 2021, sources with the China Aerospace Science and Technology Corporation said Wednesday.

One of the planned satellites is called Fengyun-3E. It will be the fifth member of the country's Fengyun-3 series of satellites in polar orbit and the world's first meteorological satellite in dawn-dusk orbit.

The other satellite is Fengyun-4B, which will mark an upgrade of China's meteorological satellites in geostationary orbit.


Scientists have used a solar-powered unmanned submersible to obtain real-time observation data of Typhoon Sinlaku, sources with the Chinese Academy of Sciences said on Wednesday.

The vehicle, called Marine Weather Observer-3 (MWO-3), is equipped with meteorological and ocean observation sensors. When Typhoon Sinlaku was near the island province of Hainan earlier this month, the MWO-3 passed through the typhoon center and transmitted real-time data, including sea surface temperature, wind speed, and wind direction, through China's self-developed BeiDou satellites.

This is the first time that scientists anywhere have used a solar-powered unmanned submersible to carry out observations in the center of a typhoon.


A perovskite photovoltaic cell production line has gone into production in Quzhou, east China's Zhejiang Province.

The 40-hectare factory is expected to produce more than 200,000 square meters of photovoltaic glass before year-end. Enditem

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