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Chinese and U.S. aviation authorities and industry associations have repeatedly voiced opposition to the ETS, urging the EU to take a global and comprehensive approach to the issue.
But the country should still be cautious about the long-term trend, Huo said, citing uncertainties with the Eurozone debt crisis.
Chinese meteorological authorities use a four-tier color-coded weather warning system from "blue", "yellow" to "orange" and "red".
He said the IT sector is typically more resilient than others in the economic downturn as it is easier to adjust its investment plans. Economic downturns don't prevent people from upgrading from dull phones to smart phones or from using phones just for making phone calls to using them for accessing information and reaching out to friends over the Internet.
The gross income of China's software sector topped 1.8 trillion yuan in 2011, accounting about 15 percent of the global market.
来源：资阳报