BEIJING - The Chinese government on Friday released a guideline on the oceanic science and technology development between 2011 and 2015, vowing to invest more to boost the country's maritime economy.

"We will expand the depths and scope of oceanic research and improve our understanding of the ocean, with special focuses on the polar regions and deep sea environments," said Liu Cigui, head of the State Oceanic Administration (SOA), Friday at a meeting on oceanic technology.

The guideline was jointly released at the meeting by the SOA, the Ministry of Science and Technology, the Ministry of Education and the National Natural Science Foundation.

According to Liu, more efforts will be made to boost innovation and strive for breakthroughs in key technology in order to stimulate the development of emerging oceanic industries.