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BEIJING, March 30 (Xinhua) -- The cooperation mapped out during President Xi Jinping's visit to the Czech Republic this week can inspire other European countries to work together to boost international relations, according to analysts.

Another symbolic moment during Xi's visit came on Tuesday afternoon when the Chinese president was presented with a key to the city by Prague Mayor Adriana Krnacova at a ceremony in the Liechtenstein Palace.

Zhang said the two sides should take the 15th anniversary of the Sino-Russian Good-Neighborly Treaty of Friendship and Cooperation as an opportunity, carry forward the spirit of equality, mutual trust, mutual support, common prosperity and long-lasting friendship, and create better environment for the development of the bilateral relations.

Moreover, the "one country, two systems" principle which is a good and feasible system well tested since Hong Kong's return to the motherland need not be changed, he added.

"Making China the 'scapegoat' only misleads the public and contributes nothing to the solution of the problem," Liu said.