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China, the largest developing country in the world, has expressed hopes that "a powerful, ambitious and legally binding deal" can be reached at the Paris conference on the basis of equity and the principle of common but differentiated responsibilities and respective capabilities.

Specifically, the disputes should be resolved by directly concerned parties through consultation and negotiation, while China and ASEAN members work together to uphold regional peace and stability.

Xi attributed China's inferiority to developed countries in science mainly to insufficient innovation, and he proposed national laboratories be devoted to state-of-the-art science and technology. These labs will be large in scale and interdisciplinary, he added.

A total of 31 people were killed and another 141 injured by knife-wielding assailants at a train station in Kunming, capital of southwest China's Yunnan Province, on March 1 last year.

The Germany delegation will pay a visit to Tibet autonomous region, Li told the press conference, adding that he hopes the tour will help the German side get a correct and objective understanding of the region.