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The hydrothermal sulfide is a kind of seabed deposit containing copper, zinc and precious metals such as gold and silver. Those metals formed sulfides after chemical reactions and came to rest in the seabed in "chimney vents."
Zhang said the law will better protect navigation safety and clear passage by establishing assessment mechanism over navigation conditions and clarifying supervision responsibilities.
"I attach great importance to the development of China-Ecuador relations," said the Chinese president.
Meanwhile, Li expressed his hope that the FAO can continue giving full play to its role in optimizing the global food and agriculture governance system, enhancing policy coordination, pooling resources, and promoting international agricultural cooperation.
China has sent hundreds of medical workers to affected African countries following the Ebola outbreak.
来源：资阳报