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The former foreign minister said the growth of China's defense expenditure is "reasonable and appropriate."

With regards to some embassies in Beijing monitoring air quality and releasing results, the vice minister said air quality monitoring should adhere to relevant technological regulations which involve the location of the monitoring sites, and the analytic methods and equipment.

WASHINGTON, Feb. 5 (Xinhua) -- China and the United States have "huge potential" for economic cooperation, which should be more market-oriented, a leading economist of a Washington-based think tank said.

BEIJING, March 17 (Xinhua) -- A cold front is expected to sweep China over the weekend, bringing rain, fog and dropping temperatures, the meteorological authority said Saturday.

He added that the safety of China's nuclear power stations, both those in operation and under construction, can be ensured geologically, as it is unlikely to see major tsunamis at those sites.