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Such uNPRecedented practices will generate enormous power and broad space for developing theory, he added.

HEFEI, April 29 (Xinhua) -- Chinese President Xi Jinping has asked officials to place more trust in intellectuals, welcome their criticism and limit interference in their creative work.

Only by resolving these problems can China chip away at the hard bones of reforms and realize the 2020 goals, he said.

He hoped the Hong Kong SAR government and the science sector will seize the opportunities and carry out cooperation between the government, manufacturers, academic organizations and research bodies, and step up efforts in cooperating with the mainland as well as cultivating and introducing innovative talents, so that innovative science and technology can serve as a new engine for Hong Kong's economic development.

The city has also prepared a fleet of 100 saloon cars to ferry around state guests. Behind the wheel will be veteran taxi drivers with English and first-aid skills.