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GUANGZHOU, May 2 (Xinhua) -- China has carried out deep-sea research with two submersibles to explore a cold seep in the South China Sea, according to a statement released by the China Geological Survey's Guangzhou branch Wednesday.

China and Russia can build a new type of relations between major countries, and have made important contributions to the healthy development of the international landscape, Ivanov added.

First, respecting each other as equals; second, it is a comprehensive framework, not issue-bound; third, it is not about gains in a power-relationship in a particular sphere, but about 2,000 years of history and the future, Mohanty said.

However, it should be noted that it takes time to resolve the structural problems in the bilateral economic and trade ties, he said.