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"There are successful examples of coexistence between a radio telescope and 'astronomy towns' outside China," said Zhang Shuxin, deputy manager of the FAST project. "The key is a strict ban on electronic devices in the zone."

Governments and S&T associations at all levels should continue to promote scientific literacy among the Chinese public, Liu noted, adding that S&T, education and media workers as well as science writers should make their own contributions in this regard.

It was designed and constructed in a most economical way, taking only six years for its final completion, which should be viewed as some kind of miracle even in China, Zeng said.

Duterte, who is on a four-day state visit from Tuesday to Friday, said his talks with Xi were historical and helped to improve and develop bilateral ties.

Other documents cover a wide range of global financial issues including accountability assessment, more stable and resilient international financial architecture, digital financial inclusion, green financing and financing for small and medium-sized enterprises.