At birthplace of Olympics, performers at flameFarmers harness science, technology to improve harvestCyberspace pledges set to narrow divideCompany in N China's Shanxi advances in developing ultraJiangsu continues supporting technological innovation of industriesChina ranks second in world in terms of computing powerYoung Chinese adopt intelligent tech for agricultural productionXi Jinping meets Ma YingHong Kong's first satellite manufacturing center launchedCentral gov't appoints veteran diplomat as new commissioner of Chinese FM in Hong Kong