chen dumen says he thinks imports and exports have grown around 6%. government leaders were hoping for 10. exports fell sharply because of the credit crisis in europe. trade with japan declined last month in territorial dispute harmed relations. they said there is a limit in economic growth they can expect by depending on exports. they say they'll try to keep the growth growing by boosting demand inside the country. south korea says its military has retrieved from under the sea what appears to be debris from the engine of the north korean rocket launched two weeks ago. they claim the rocket was carrying a satellite, but many countries believe the launch was a test of long-range missile technology. the object was retrieved from a depth of 88 metres in the yellow sea. a defense minister official says if it's considered to be part of the rocket's engine, it will help understand its capabilities. south korea's military has already retrieved a fuel tank and a container of oxidizer used for combustion. after analyzing the oxidizer and other debris, the mini