Here's a way that you can do it in a test tube without using any cells by this process called Polymerase Chain Reaction.

但有一个方法可以让你在试管中完成,不用细胞,这个方法叫聚合酶链式反应

耶鲁公开课 - 生物医学工程探索课程节选

The Scottish government said the centre would allow offshore wind developers and supply chain companies to test "cutting edge" wind technology before its commercial deployment.

BBC: Donald Trump wind farm challenge to start 'fairly soon'

Carrier now is installing 20 test units for a European hotel chain.

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Yum Brands is also combining Pizza Hut with a fast-casual chain called Pasta Bravo in test markets.

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