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今日图片
A musician playing a tenor saxophone at a jazz festival in Uruguay. Adolphe Sax, inventor of the saxophone, was born on this day in 1814.
今日影音
The Kaitiaki, the Sensor, and the Scientist – a documentary video by New Zealand's Science for Technological Innovation's National Science Challenge about the development of a sensor for public water quality measurement and monitoring such as of river pollution.
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