To discover more fascinating science content, head to bbc.co.uk, search for BBC Inside Science and follow the links to The Open University.
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，更多细节参见新收录的资料
Питтсбург Пингвинз
The answers to today’s problems
王莉：我常说，中国的创新不仅要解决‘有没有’的问题，更要解决‘用不用得起’的问题。