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"China has the fiscal space and so it is appropriate that it consider using it, with due caution, to counter global economic headwinds," Goldberg said.

"China has mastered the core technologies of commercial maglev trains, and has established a comprehensive system ranging from technical research and manufacturing to commercial operations," said Liu Youmei, an academician of the Chinese Academy of Engineering.

"China has developed rapidly in the age of globalization and CRRC has become the largest high-speed train maker in the world," he said.

"China has worked on similar regulations in the past, but the key is in the fine details and the severity of the punishment," he said. "Defining the rules and operational mechanisms for the ethics review board is also a very important and specific task."

"China has a relatively short history of focusing on and supporting the basic science," said Yan, which results in not enough labs — especially those excelling in their fields — for researchers to choose.