Hu Angang of Tsinghua University estimates that half of Chinese growth per person in 1978-98 can be attributed to the increase in capital stock per head.

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Professor Huosheng Hu, of the university's computer science department, said the aim of creating the fish and having them on display in a public place was to increase awareness about robots' capabilities.

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Nonetheless, Henry Hu, who teaches securities law at the University of Texas law school in Austin, says Spitzer should have avoided even the appearance of impropriety.

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In a paper published last year, Hu Angang and Guo Yong of Beijing's Qinghua University estimated that 10-20% of corruption cases are solved and only 6.6% of party officials who are disciplined for corruption receive any criminal punishment.

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The first time that Sam Popkin, a political scientist at the University of California at San Diego, who, along with his wife, the China scholar Susan Shirk, has known Hu for many years, watched Hu report a story, it reminded him of the portrait of the Times reporter R.

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