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NAY PYI TAW, Nov. 13 (Xinhua) -- Chinese Premier Li Keqiang said here Thursday that China and Southeast Asian countries will upgrade their partnership in the upcoming "diamond decade," which would bring more benefits to their peoples and make further contribution to regional and world peace and development.

Liu hoped that foreign experts would serve as goodwill ambassadors for China and help enhance world's understanding and friendship toward China.

Xi said the higher-learning institutions shoulder the important tasks of studying, researching and publicizing Marxism, as well as training builders and successors of the socialist cause with Chinese characteristics.

"My current visit to Vietnam, commissioned by the CPC Central Committee and General Secretary Xi Jinping, aims to enhance mutual trust, build consensus and boost progress of China-Vietnam relations in a correct path," he said.

The test orbiter is a precursor to the last phase of a three-step moon probe project, a lunar sample return mission.