BEIJING, Nov. 25 (Xinhua) -- The following is a summary of published science and technology news of China.

BEIDOU SATELLITES

China sent two satellites of the BeiDou Navigation Satellite System (BDS) into space from the Xichang Satellite Launch Center in Sichuan Province at 8:55 a.m. Saturday.

Launched on a Long March-3B carrier rocket and the Yuanzheng-1 (Expedition-1) upper stage attached to the carrier rocket, the two satellites have entered their planned orbits. They are the 50th and 51st satellites of the BDS satellite family.

GLOBAL SURFACE WIND SPEED

Chinese researchers found that the global average surface wind speed has increased since 2010, according to a recent study paper published in the journal of Nature Climate Change.

The results showed the recent rate of increase in the global average surface wind speed was three times the rate of decline before 2010, with North America, Europe and Asia showing the most marked change.

IPR PROTECTION GUIDELINE

The general offices of the Communist Party of China (CPC) Central Committee and the State Council have jointly issued a directive calling for intensified protection of intellectual property rights (IPR).

Titled "The Guideline on Strengthening Intellectual Property Rights Protection," the document aims to implement decisions and plans of the CPC Central Committee and the State Council on stepping up IPR protection and improve related systems and mechanisms. Enditem

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