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During his 60 years of scientific research, Zhang focused on many pioneering technologies, including water gas technology, rocket propellant and the laser field.

BEIJING, April 27 (Xinhua) -- Chinese prosecutors will strengthen supervision over officials' dereliction of duty in work safety accidents, an official from the Supreme People's Procuratorate (SPP) said on Sunday.

Launched in June 2013, the campaign has now entered its second phase, which is scheduled to run from January to September and target more low-level departments and leadership.

The country should guide the reasonable flow of population, help rural residents become urban citizens in an orderly manner and make basic urban public services available to all permanent urban residents, it said.

Yang said China is committed to forging ahead relations with Australia, and promoting dialogues and exchanges in various areas. He appreciated Bashir's contribution to China-Australia relations and local exchanges, calling for closer people-to-people cooperation.